prosody
e3de64f7c44d
core/certmanager.lua

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core/certmanager.lua @ 6401:e3de64f7c44d

core.stanza_router: Stricter validation of stanzas
author Kim Alvefur <zash@zash.se>
date Tue, 09 Sep 2014 14:42:10 +0200
parent 5921:f7601ce30cfc
child 5922:dd11480ecd47
child 6496:e4b998ffc922
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
diff changeset
2 -- Copyright (C) 2008-2010 Matthew Wild
9a96969d4670 certmanager: Added copyright header.
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parents: 3368
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3 -- Copyright (C) 2008-2010 Waqas Hussain
9a96969d4670 certmanager: Added copyright header.
Waqas Hussain <waqas20@gmail.com>
parents: 3368
diff changeset
4 --
9a96969d4670 certmanager: Added copyright header.
Waqas Hussain <waqas20@gmail.com>
parents: 3368
diff changeset
5 -- This project is MIT/X11 licensed. Please see the
9a96969d4670 certmanager: Added copyright header.
Waqas Hussain <waqas20@gmail.com>
parents: 3368
diff changeset
6 -- COPYING file in the source package for more information.
9a96969d4670 certmanager: Added copyright header.
Waqas Hussain <waqas20@gmail.com>
parents: 3368
diff changeset
7 --
9a96969d4670 certmanager: Added copyright header.
Waqas Hussain <waqas20@gmail.com>
parents: 3368
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8
2554
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 local configmanager = require "core.configmanager";
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
10 local log = require "util.logger".init("certmanager");
2554
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 local ssl = ssl;
2564
6b4fe320a6ea certmanager: Fix traceback with no LuaSec
Matthew Wild <mwild1@gmail.com>
parents: 2563
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12 local ssl_newcontext = ssl and ssl.newcontext;
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b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
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parents:
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13
4992
e79e4d1f75de certmanager: Remove unused import of setmetatable
Matthew Wild <mwild1@gmail.com>
parents: 4991
diff changeset
14 local tostring = tostring;
5820
6bc4077bc1f9 certmanager: Fix dhparam callback, missing imports (Testing, pfft)
Kim Alvefur <zash@zash.se>
parents: 5816
diff changeset
15 local type = type;
6bc4077bc1f9 certmanager: Fix dhparam callback, missing imports (Testing, pfft)
Kim Alvefur <zash@zash.se>
parents: 5816
diff changeset
16 local io_open = io.open;
2554
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 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
diff changeset
19 local resolve_path = configmanager.resolve_relative_path;
3402
dfc369314e53 prosody.resolve_relative_path: Updated to take a parent path to resolve against.
Waqas Hussain <waqas20@gmail.com>
parents: 3400
diff changeset
20 local config_path = prosody.paths.config;
2554
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
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parents:
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21
5621
63cfd59999b6 certmanager: Disable SSL compression if possible (LuaSec 0.5 or 0.4.1+OpenSSL 1.x)
Matthew Wild <mwild1@gmail.com>
parents: 5377
diff changeset
22 local luasec_has_noticket, luasec_has_verifyext, luasec_has_no_compression;
4991
bcbfcec620ac certmanager: Fix for traceback WITH LuaSec... (!) (thanks IRON)
Matthew Wild <mwild1@gmail.com>
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23 if ssl then
bcbfcec620ac certmanager: Fix for traceback WITH LuaSec... (!) (thanks IRON)
Matthew Wild <mwild1@gmail.com>
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24 local luasec_major, luasec_minor = ssl._VERSION:match("^(%d+)%.(%d+)");
bcbfcec620ac certmanager: Fix for traceback WITH LuaSec... (!) (thanks IRON)
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25 luasec_has_noticket = tonumber(luasec_major)>0 or tonumber(luasec_minor)>=4;
5282
4cd57cb49f99 core.certmanager: Add support for LuaSec 0.5. Also compat with MattJs luasec-hg
Kim Alvefur <zash@zash.se>
parents: 4992
diff changeset
26 luasec_has_verifyext = tonumber(luasec_major)>0 or tonumber(luasec_minor)>=5;
5621
63cfd59999b6 certmanager: Disable SSL compression if possible (LuaSec 0.5 or 0.4.1+OpenSSL 1.x)
Matthew Wild <mwild1@gmail.com>
parents: 5377
diff changeset
27 luasec_has_no_compression = tonumber(luasec_major)>0 or tonumber(luasec_minor)>=5;
4991
bcbfcec620ac certmanager: Fix for traceback WITH LuaSec... (!) (thanks IRON)
Matthew Wild <mwild1@gmail.com>
parents: 4990
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28 end
4899
0b8134015635 certmanager: Don't use no_ticket option before LuaSec 0.4
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29
2554
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
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30 module "certmanager"
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31
b877533d4ec9 certmanager: Hello world, I'm come to manage your SSL contexts
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parents:
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32 -- Global SSL options if not overridden per-host
5377
898454038524 core.*: Complete removal of all traces of the "core" section and section-related code.
Kim Alvefur <zash@zash.se>
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33 local default_ssl_config = configmanager.get("*", "ssl");
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1748a49da906 certmanager: Defined default_capath to prevent a global nil access.
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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";
5915
e6fed1d80116 Back out 1b0ac7950129, as SSLv3 appears to still be in moderate use on the network. Also, although obsolete, SSLv3 isn't documented to have any weaknesses that TLS 1.0 (the most common version used today) doesn't also have. Get your act together clients!
Matthew Wild <mwild1@gmail.com>
parents: 5907
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36 local default_options = { "no_sslv2", "cipher_server_preference", luasec_has_noticket and "no_ticket" or nil };
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37 local default_verifyext = { "lsec_continue", "lsec_ignore_purpose" };
4cd57cb49f99 core.certmanager: Add support for LuaSec 0.5. Also compat with MattJs luasec-hg
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38
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676a1a032d2f certmanager: Fix nil index if no LuaSec available
Kim Alvefur <zash@zash.se>
parents: 5282
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39 if ssl and not luasec_has_verifyext and ssl.x509 then
5282
4cd57cb49f99 core.certmanager: Add support for LuaSec 0.5. Also compat with MattJs luasec-hg
Kim Alvefur <zash@zash.se>
parents: 4992
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40 -- COMPAT mw/luasec-hg
4cd57cb49f99 core.certmanager: Add support for LuaSec 0.5. Also compat with MattJs luasec-hg
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parents: 4992
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41 for i=1,#default_verifyext do -- Remove lsec_ prefix
4cd57cb49f99 core.certmanager: Add support for LuaSec 0.5. Also compat with MattJs luasec-hg
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parents: 4992
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42 default_verify[#default_verify+1] = default_verifyext[i]:sub(6);
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43 end
4cd57cb49f99 core.certmanager: Add support for LuaSec 0.5. Also compat with MattJs luasec-hg
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parents: 4992
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44 end
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63cfd59999b6 certmanager: Disable SSL compression if possible (LuaSec 0.5 or 0.4.1+OpenSSL 1.x)
Matthew Wild <mwild1@gmail.com>
parents: 5377
diff changeset
45 if luasec_has_no_compression and configmanager.get("*", "ssl_compression") ~= true then
63cfd59999b6 certmanager: Disable SSL compression if possible (LuaSec 0.5 or 0.4.1+OpenSSL 1.x)
Matthew Wild <mwild1@gmail.com>
parents: 5377
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46 default_options[#default_options+1] = "no_compression";
63cfd59999b6 certmanager: Disable SSL compression if possible (LuaSec 0.5 or 0.4.1+OpenSSL 1.x)
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parents: 5377
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47 end
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parents:
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48
5678
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49 if luasec_has_no_compression then -- Has no_compression? Then it has these too...
b7ebeae14053 certmanager: Add single_dh_use and single_ecdh_use to default options
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parents: 5676
diff changeset
50 default_options[#default_options+1] = "single_dh_use";
b7ebeae14053 certmanager: Add single_dh_use and single_ecdh_use to default options
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parents: 5676
diff changeset
51 default_options[#default_options+1] = "single_ecdh_use";
b7ebeae14053 certmanager: Add single_dh_use and single_ecdh_use to default options
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52 end
b7ebeae14053 certmanager: Add single_dh_use and single_ecdh_use to default options
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parents: 5676
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53
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
54 function create_context(host, mode, user_ssl_config)
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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parents: 3540
diff changeset
55 user_ssl_config = user_ssl_config or default_ssl_config;
3370
7c87af1c9a68 certmanager: Fix to handle the case of no SSL configuration at all
Matthew Wild <mwild1@gmail.com>
parents: 3369
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56
3400
502a634f0578 Merge 0.7->trunk
Matthew Wild <mwild1@gmail.com>
parents: 3372 3399
diff changeset
57 if not ssl then return nil, "LuaSec (required for encryption) was not found"; end
502a634f0578 Merge 0.7->trunk
Matthew Wild <mwild1@gmail.com>
parents: 3372 3399
diff changeset
58 if not user_ssl_config then return nil, "No SSL/TLS configuration present for "..host; end
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
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59
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
60 local ssl_config = {
9bb2da325d4d certmanager: Adjust paths of SSL key/certs to be relative to the config file, fixes #147
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61 mode = mode;
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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62 protocol = user_ssl_config.protocol or "sslv23";
3402
dfc369314e53 prosody.resolve_relative_path: Updated to take a parent path to resolve against.
Waqas Hussain <waqas20@gmail.com>
parents: 3400
diff changeset
63 key = resolve_path(config_path, user_ssl_config.key);
4656
43469a2d124d core.certmanager: Log a message when a password is required but not supplied. fixes #214
Kim Alvefur <zash@zash.se>
parents: 4408
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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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parents: 3400
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65 certificate = resolve_path(config_path, user_ssl_config.certificate);
dfc369314e53 prosody.resolve_relative_path: Updated to take a parent path to resolve against.
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66 capath = resolve_path(config_path, user_ssl_config.capath or default_capath);
dfc369314e53 prosody.resolve_relative_path: Updated to take a parent path to resolve against.
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parents: 3400
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67 cafile = resolve_path(config_path, user_ssl_config.cafile);
3670
d6ba317cbc97 certmanager: Add required verify flags for cert verification if LuaSec (probably) supports them
Matthew Wild <mwild1@gmail.com>
parents: 3609
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68 verify = user_ssl_config.verify or default_verify;
5282
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69 verifyext = user_ssl_config.verifyext or default_verifyext;
3670
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70 options = user_ssl_config.options or default_options;
3355
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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71 depth = user_ssl_config.depth;
5676
c1021a2e7071 certmanager: Set ssl.curve to 'secp384r1' by default, to enable ECC ciphers
Matthew Wild <mwild1@gmail.com>
parents: 5673
diff changeset
72 curve = user_ssl_config.curve or "secp384r1";
5921
f7601ce30cfc certmanager: Further cipher string tweaking. Re-enable ciphers required for DSA and ECDH certs/keys.
Matthew Wild <mwild1@gmail.com>
parents: 5915
diff changeset
73 ciphers = user_ssl_config.ciphers or "HIGH+kEDH:HIGH+kEECDH:HIGH:!PSK:!SRP:!3DES:!aNULL";
5673
9ca4d1ada906 certmanager: Use 'curve' and 'dhparam' options from ssl config if present
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diff changeset
74 dhparam = user_ssl_config.dhparam;
3355
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75 };
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
76
5816
20e2b588f8c2 certmanager: Allow for specifying the dhparam option as a path to a file instead of a callback
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parents: 5815
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77 -- LuaSec expects dhparam to be a callback that takes two arguments.
20e2b588f8c2 certmanager: Allow for specifying the dhparam option as a path to a file instead of a callback
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parents: 5815
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78 -- We ignore those because it is mostly used for having a separate
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parents: 5815
diff changeset
79 -- set of params for EXPORT ciphers, which we don't have by default.
5820
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Kim Alvefur <zash@zash.se>
parents: 5816
diff changeset
80 if type(ssl_config.dhparam) == "string" then
6bc4077bc1f9 certmanager: Fix dhparam callback, missing imports (Testing, pfft)
Kim Alvefur <zash@zash.se>
parents: 5816
diff changeset
81 local f, err = io_open(resolve_path(config_path, ssl_config.dhparam));
5816
20e2b588f8c2 certmanager: Allow for specifying the dhparam option as a path to a file instead of a callback
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parents: 5815
diff changeset
82 if not f then return nil, "Could not open DH parameters: "..err end
20e2b588f8c2 certmanager: Allow for specifying the dhparam option as a path to a file instead of a callback
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parents: 5815
diff changeset
83 local dhparam = f:read("*a");
20e2b588f8c2 certmanager: Allow for specifying the dhparam option as a path to a file instead of a callback
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parents: 5815
diff changeset
84 f:close();
5820
6bc4077bc1f9 certmanager: Fix dhparam callback, missing imports (Testing, pfft)
Kim Alvefur <zash@zash.se>
parents: 5816
diff changeset
85 ssl_config.dhparam = function() return dhparam; end
5816
20e2b588f8c2 certmanager: Allow for specifying the dhparam option as a path to a file instead of a callback
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parents: 5815
diff changeset
86 end
20e2b588f8c2 certmanager: Allow for specifying the dhparam option as a path to a file instead of a callback
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parents: 5815
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87
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
88 local ctx, err = ssl_newcontext(ssl_config);
4359
c69cbac4178f certmanager: Support setting ciphers in SSL config. LuaSec apparently ignores the documented ciphers option.
Waqas Hussain <waqas20@gmail.com>
parents: 3670
diff changeset
89
5815
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.
Matthew Wild <mwild1@gmail.com>
parents: 5745
diff changeset
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.
Matthew Wild <mwild1@gmail.com>
parents: 5745
diff changeset
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.
Matthew Wild <mwild1@gmail.com>
parents: 5745
diff changeset
92 if ctx and ssl_config.ciphers then
4359
c69cbac4178f certmanager: Support setting ciphers in SSL config. LuaSec apparently ignores the documented ciphers option.
Waqas Hussain <waqas20@gmail.com>
parents: 3670
diff changeset
93 local success;
5815
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.
Matthew Wild <mwild1@gmail.com>
parents: 5745
diff changeset
94 success, err = ssl.context.setcipher(ctx, ssl_config.ciphers);
4359
c69cbac4178f certmanager: Support setting ciphers in SSL config. LuaSec apparently ignores the documented ciphers option.
Waqas Hussain <waqas20@gmail.com>
parents: 3670
diff changeset
95 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
diff changeset
96 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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97
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
98 if not ctx then
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
99 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
diff changeset
100 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
diff changeset
101 if file then
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
102 if file == "private key" 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
103 file = ssl_config.key or "your private key";
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
104 elseif file == "certificate" 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
105 file = ssl_config.certificate or "your certificate 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
106 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
107 local reason = err:match("%((.+)%)$") or "some reason";
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
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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parents: 2739
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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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e8fc67b73820 certmanager: Bring back the friendly errors when failing to load the key/certificate file
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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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bc139431830b Monster whitespace commit (beware the whitespace monster).
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parents: 3402
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123 end
bc139431830b Monster whitespace commit (beware the whitespace monster).
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124 return ctx, err;
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125 end
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parents:
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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;