prosody-modules: mod_firewall/mod

annotate mod_firewall/mod_firewall.lua @ 2412:9159f9166893

mod_firewall: Use the sender bare JID instead of 'to' for stanzas to self

author	Kim Alvefur <zash@zash.se>
date	Sat, 03 Dec 2016 20:00:08 +0100
parents	9af2d36567a8
children	07d7036040ee

rev	line source
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	1
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	2 local resolve_relative_path = require "core.configmanager".resolve_relative_path;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	3 local logger = require "util.logger".init;
971 53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	4 local it = require "util.iterators";
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	5
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	6 local definitions = module:shared("definitions");
2374 d630fa0d4dba mod_firewall: Add default zone called '$local' containing all local hosts (dynamically) Matthew Wild <mwild1@gmail.com> parents: 2368 diff changeset	7 local active_definitions = {
d630fa0d4dba mod_firewall: Add default zone called '$local' containing all local hosts (dynamically) Matthew Wild <mwild1@gmail.com> parents: 2368 diff changeset	8 ZONE = {
d630fa0d4dba mod_firewall: Add default zone called '$local' containing all local hosts (dynamically) Matthew Wild <mwild1@gmail.com> parents: 2368 diff changeset	9 -- Default zone that includes all local hosts
d630fa0d4dba mod_firewall: Add default zone called '$local' containing all local hosts (dynamically) Matthew Wild <mwild1@gmail.com> parents: 2368 diff changeset	10 ["$local"] = setmetatable({}, { __index = prosody.hosts });
d630fa0d4dba mod_firewall: Add default zone called '$local' containing all local hosts (dynamically) Matthew Wild <mwild1@gmail.com> parents: 2368 diff changeset	11 }
d630fa0d4dba mod_firewall: Add default zone called '$local' containing all local hosts (dynamically) Matthew Wild <mwild1@gmail.com> parents: 2368 diff changeset	12 };
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	13
2113 d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	14 local default_chains = {
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	15 preroute = {
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	16 type = "event";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	17 priority = 0.1;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	18 "pre-message/bare", "pre-message/full", "pre-message/host";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	19 "pre-presence/bare", "pre-presence/full", "pre-presence/host";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	20 "pre-iq/bare", "pre-iq/full", "pre-iq/host";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	21 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	22 deliver = {
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	23 type = "event";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	24 priority = 0.1;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	25 "message/bare", "message/full", "message/host";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	26 "presence/bare", "presence/full", "presence/host";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	27 "iq/bare", "iq/full", "iq/host";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	28 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	29 deliver_remote = {
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	30 type = "event"; "route/remote";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	31 priority = 0.1;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	32 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	33 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	34
2113 d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	35 local extra_chains = module:get_option("firewall_extra_chains", {});
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	36
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	37 local chains = {};
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	38 for k,v in pairs(default_chains) do
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	39 chains[k] = v;
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	40 end
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	41 for k,v in pairs(extra_chains) do
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	42 chains[k] = v;
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	43 end
d75145297bf9 mod_firewall: Support for defining extra chains in the config file Matthew Wild <mwild1@gmail.com> parents: 2101 diff changeset	44
2124 89363766202c mod_firewall: Add comment to document idsafe() Matthew Wild <mwild1@gmail.com> parents: 2118 diff changeset	45 -- Returns the input if it is safe to be used as a variable name, otherwise nil
2099 a8c701631d0b mod_firewall: Make idsafe() a global function so libraries can re-use it Matthew Wild <mwild1@gmail.com> parents: 2080 diff changeset	46 function idsafe(name)
a8c701631d0b mod_firewall: Make idsafe() a global function so libraries can re-use it Matthew Wild <mwild1@gmail.com> parents: 2080 diff changeset	47 return name:match("^%a[%w_]*$")
971 53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	48 end
53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	49
2125 edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	50 -- Run quoted (%q) strings through this to allow them to contain code. e.g.: LOG=Received: $(stanza:top_tag())
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	51 function meta(s, extra)
2385 c0c2f8665c3e mod_firewall: Fix for raw code expressions that contain escape-worthy characters Matthew Wild <mwild1@gmail.com> parents: 2374 diff changeset	52 return (s:gsub("$(%b())", function (expr)
c0c2f8665c3e mod_firewall: Fix for raw code expressions that contain escape-worthy characters Matthew Wild <mwild1@gmail.com> parents: 2374 diff changeset	53 expr = expr:gsub("\\(.)", "%1");
c0c2f8665c3e mod_firewall: Fix for raw code expressions that contain escape-worthy characters Matthew Wild <mwild1@gmail.com> parents: 2374 diff changeset	54 return [["..tostring(]]..expr..[[).."]];
c0c2f8665c3e mod_firewall: Fix for raw code expressions that contain escape-worthy characters Matthew Wild <mwild1@gmail.com> parents: 2374 diff changeset	55 end)
2125 edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	56 :gsub("$(%b<>)", function (expr)
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	57 expr = expr:sub(2,-2);
2368 7e1d8c46d788 mod_firewall: Support for default values in stanza paths Matthew Wild <mwild1@gmail.com> parents: 2367 diff changeset	58 local default = expr:match("\|\|([^\|]+)$");
7e1d8c46d788 mod_firewall: Support for default values in stanza paths Matthew Wild <mwild1@gmail.com> parents: 2367 diff changeset	59 if default then
7e1d8c46d788 mod_firewall: Support for default values in stanza paths Matthew Wild <mwild1@gmail.com> parents: 2367 diff changeset	60 expr = expr:sub(1, -(#default+2));
7e1d8c46d788 mod_firewall: Support for default values in stanza paths Matthew Wild <mwild1@gmail.com> parents: 2367 diff changeset	61 else
7e1d8c46d788 mod_firewall: Support for default values in stanza paths Matthew Wild <mwild1@gmail.com> parents: 2367 diff changeset	62 default = "<undefined>";
7e1d8c46d788 mod_firewall: Support for default values in stanza paths Matthew Wild <mwild1@gmail.com> parents: 2367 diff changeset	63 end
2125 edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	64 if expr:match("^@") then
2368 7e1d8c46d788 mod_firewall: Support for default values in stanza paths Matthew Wild <mwild1@gmail.com> parents: 2367 diff changeset	65 return "\"..(stanza.attr["..("%q"):format(expr:sub(2)).."] or "..("%q"):format(default)..")..\"";
2125 edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	66 end
2368 7e1d8c46d788 mod_firewall: Support for default values in stanza paths Matthew Wild <mwild1@gmail.com> parents: 2367 diff changeset	67 return "\"..(stanza:find("..("%q"):format(expr:sub(2, -2))..") or "..("%q"):format(default)..")..\"";
2125 edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	68 end)
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	69 :gsub("$$(%a+)", extra or {})
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	70 :gsub([[^""%.%.]], "")
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	71 :gsub([[%.%.""$]], ""));
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	72 end
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	73
edf5cf3c474b mod_firewall: Move meta() function to main module, and make it a global so libs can use it Matthew Wild <mwild1@gmail.com> parents: 2124 diff changeset	74
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	75 -- Dependency locations:
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	76 -- <type lib>
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	77 -- <type global>
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	78 -- function handler()
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	79 -- <local deps>
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	80 -- if <conditions> then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	81 -- <actions>
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	82 -- end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	83 -- end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	84
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	85 local available_deps = {
1303 8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	86 st = { global_code = [[local st = require "util.stanza";]]};
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	87 jid_split = {
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	88 global_code = [[local jid_split = require "util.jid".split;]];
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	89 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	90 jid_bare = {
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	91 global_code = [[local jid_bare = require "util.jid".bare;]];
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	92 };
2412 9159f9166893 mod_firewall: Use the sender bare JID instead of 'to' for stanzas to self Kim Alvefur <zash@zash.se> parents: 2404 diff changeset	93 to = { local_code = [[local to = stanza.attr.to or jid_bare(session.full_jid);]]; depends = { "jid_bare" } };
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	94 from = { local_code = [[local from = stanza.attr.from;]] };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	95 type = { local_code = [[local type = stanza.attr.type;]] };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	96 name = { local_code = [[local name = stanza.name]] };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	97 split_to = { -- The stanza's split to address
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	98 depends = { "jid_split", "to" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	99 local_code = [[local to_node, to_host, to_resource = jid_split(to);]];
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	100 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	101 split_from = { -- The stanza's split from address
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	102 depends = { "jid_split", "from" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	103 local_code = [[local from_node, from_host, from_resource = jid_split(from);]];
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	104 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	105 bare_to = { depends = { "jid_bare", "to" }, local_code = "local bare_to = jid_bare(to)"};
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	106 bare_from = { depends = { "jid_bare", "from" }, local_code = "local bare_from = jid_bare(from)"};
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	107 group_contains = {
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	108 global_code = [[local group_contains = module:depends("groups").group_contains]];
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	109 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	110 is_admin = { global_code = [[local is_admin = require "core.usermanager".is_admin]]};
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	111 core_post_stanza = { global_code = [[local core_post_stanza = prosody.core_post_stanza]] };
965 d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	112 zone = { global_code = function (zone)
971 53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	113 assert(idsafe(zone), "Invalid zone name: "..zone);
965 d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	114 return ("local zone_%s = zones[%q] or {};"):format(zone, zone);
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	115 end };
966 a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	116 date_time = { global_code = [[local os_date = os.date]]; local_code = [[local current_date_time = os_date("*t");]] };
a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	117 time = { local_code = function (what)
a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	118 local defs = {};
a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	119 for field in what:gmatch("%a+") do
a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	120 table.insert(defs, ("local current_%s = current_date_time.%s;"):format(field, field));
a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	121 end
a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	122 return table.concat(defs, " ");
a65df6e97d94 mod_firewall: Add time and date deps Matthew Wild <mwild1@gmail.com> parents: 965 diff changeset	123 end, depends = { "date_time" }; };
2100 cbd0095e9302 mod_firewall: Add 'timestamp' dep to get current_timestamp Matthew Wild <mwild1@gmail.com> parents: 2099 diff changeset	124 timestamp = { global_code = [[local get_time = require "socket".gettime]]; local_code = [[local current_timestamp = get_time()]]; };
2128 21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	125 globalthrottle = {
971 53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	126 global_code = function (throttle)
53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	127 assert(idsafe(throttle), "Invalid rate limit name: "..throttle);
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	128 assert(active_definitions.RATE[throttle], "Unknown rate limit: "..throttle);
2128 21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	129 return ("local global_throttle_%s = rates.%s:single();"):format(throttle, throttle);
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	130 end;
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	131 };
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	132 multithrottle = {
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	133 global_code = function (throttle)
2130 9239893a2400 mod_firewall: Don't use util.cache unless it's needed, and add explanatory error if it is not available Matthew Wild <mwild1@gmail.com> parents: 2128 diff changeset	134 assert(pcall(require, "util.cache"), "Using LIMIT with 'on' requires Prosody 0.10 or higher");
2128 21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	135 assert(idsafe(throttle), "Invalid rate limit name: "..throttle);
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	136 assert(active_definitions.RATE[throttle], "Unknown rate limit: "..throttle);
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental) Matthew Wild <mwild1@gmail.com> parents: 2126 diff changeset	137 return ("local multi_throttle_%s = rates.%s:multi();"):format(throttle, throttle);
971 53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	138 end;
53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables Matthew Wild <mwild1@gmail.com> parents: 967 diff changeset	139 };
2402 2040330586e4 mod_firewall: Split import of rostermanager into its own dependency Kim Alvefur <zash@zash.se> parents: 2385 diff changeset	140 rostermanager = {
2040330586e4 mod_firewall: Split import of rostermanager into its own dependency Kim Alvefur <zash@zash.se> parents: 2385 diff changeset	141 global_code = [[local rostermanager = require "core.rostermanager";]];
2040330586e4 mod_firewall: Split import of rostermanager into its own dependency Kim Alvefur <zash@zash.se> parents: 2385 diff changeset	142 };
2342 6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group) Matthew Wild <mwild1@gmail.com> parents: 2130 diff changeset	143 roster_entry = {
6848297cf40a mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group) Matthew Wild <mwild1@gmail.com> parents: 2130 diff changeset	144 local_code = [[local roster_entry = (rostermanager.load_roster(to_node, to_host) or {})[bare_from];]];
2402 2040330586e4 mod_firewall: Split import of rostermanager into its own dependency Kim Alvefur <zash@zash.se> parents: 2385 diff changeset	145 depends = { "rostermanager", "split_to", "bare_from" };
2040330586e4 mod_firewall: Split import of rostermanager into its own dependency Kim Alvefur <zash@zash.se> parents: 2385 diff changeset	146 };
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	147 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	148
2077 368b091e723b mod_firewall: Rename argument to avoid name clash [luacheck] Kim Alvefur <zash@zash.se> parents: 2076 diff changeset	149 local function include_dep(dependency, code)
368b091e723b mod_firewall: Rename argument to avoid name clash [luacheck] Kim Alvefur <zash@zash.se> parents: 2076 diff changeset	150 local dep, dep_param = dependency:match("^([^:]+):?(.*)$");
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	151 local dep_info = available_deps[dep];
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	152 if not dep_info then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	153 module:log("error", "Dependency not found: %s", dep);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	154 return;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	155 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	156 if code.included_deps[dep] then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	157 if code.included_deps[dep] ~= true then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	158 module:log("error", "Circular dependency on %s", dep);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	159 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	160 return;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	161 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	162 code.included_deps[dep] = false; -- Pending flag (used to detect circular references)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	163 for _, dep_dep in ipairs(dep_info.depends or {}) do
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	164 include_dep(dep_dep, code);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	165 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	166 if dep_info.global_code then
965 d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	167 if dep_param ~= "" then
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	168 table.insert(code.global_header, dep_info.global_code(dep_param));
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	169 else
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	170 table.insert(code.global_header, dep_info.global_code);
d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	171 end
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	172 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	173 if dep_info.local_code then
965 d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	174 if dep_param ~= "" then
1303 8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	175 table.insert(code, "\n\t\t-- "..dep.."\n\t\t"..dep_info.local_code(dep_param).."\n");
965 d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	176 else
1303 8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	177 table.insert(code, "\n\t\t-- "..dep.."\n\t\t"..dep_info.local_code.."\n");
965 d4e24fb289c0 mod_firewall: Improve zone handling, make it more efficient, and support dynamic dependencies in the compiler. ENTERING and LEAVING conditions now work at expected (not matching stanzas flowing within a zone). Matthew Wild <mwild1@gmail.com> parents: 960 diff changeset	178 end
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	179 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	180 code.included_deps[dep] = true;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	181 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	182
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	183 local definition_handlers = module:require("definitions");
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	184 local condition_handlers = module:require("conditions");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	185 local action_handlers = module:require("actions");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	186
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	187 local function new_rule(ruleset, chain)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	188 assert(chain, "no chain specified");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	189 local rule = { conditions = {}, actions = {}, deps = {} };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	190 table.insert(ruleset[chain], rule);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	191 return rule;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	192 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	193
2078 11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	194 local function parse_firewall_rules(filename)
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	195 local line_no = 0;
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	196
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	197 local function errmsg(err)
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	198 return "Error compiling "..filename.." on line "..line_no..": "..err;
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	199 end
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	200
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	201 local ruleset = {
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	202 deliver = {};
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	203 };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	204
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	205 local chain = "deliver"; -- Default chain
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	206 local rule;
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	207
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	208 local file, err = io.open(filename);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	209 if not file then return nil, err; end
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	210
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	211 local state; -- nil -> "rules" -> "actions" -> nil -> ...
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	212
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	213 local line_hold;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	214 for line in file:lines() do
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	215 line = line:match("^%s(.-)%s$");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	216 if line_hold and line:sub(-1,-1) ~= "\\" then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	217 line = line_hold..line;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	218 line_hold = nil;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	219 elseif line:sub(-1,-1) == "\\" then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	220 line_hold = (line_hold or "")..line:sub(1,-2);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	221 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	222 line_no = line_no + 1;
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	223
2080 a435db77a5e5 mod_firewall: Silence warning about empty if branch [luacheck] Kim Alvefur <zash@zash.se> parents: 2078 diff changeset	224 if line_hold or line:find("^[#;]") then -- luacheck: ignore 542
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	225 -- No action; comment or partial line
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	226 elseif line == "" then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	227 if state == "rules" then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	228 return nil, ("Expected an action on line %d for preceding criteria")
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	229 :format(line_no);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	230 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	231 state = nil;
2070 2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned Kim Alvefur <zash@zash.se> parents: 1343 diff changeset	232 elseif not(state) and line:sub(1, 2) == "::" then
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	233 chain = line:gsub("^::%s*", "");
980 aeb11522a44f mod_firewall: Fix variable name Kim Alvefur <zash@zash.se> parents: 971 diff changeset	234 local chain_info = chains[chain];
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	235 if not chain_info then
2364 17d236129118 mod_firewall: Allow implicit defitions of chains in scripts if they begin with 'user/' Matthew Wild <mwild1@gmail.com> parents: 2342 diff changeset	236 if chain:match("^user/") then
17d236129118 mod_firewall: Allow implicit defitions of chains in scripts if they begin with 'user/' Matthew Wild <mwild1@gmail.com> parents: 2342 diff changeset	237 chains[chain] = { type = "event", priority = 1, "firewall/chains/"..chain };
17d236129118 mod_firewall: Allow implicit defitions of chains in scripts if they begin with 'user/' Matthew Wild <mwild1@gmail.com> parents: 2342 diff changeset	238 else
17d236129118 mod_firewall: Allow implicit defitions of chains in scripts if they begin with 'user/' Matthew Wild <mwild1@gmail.com> parents: 2342 diff changeset	239 return nil, errmsg("Unknown chain: "..chain);
17d236129118 mod_firewall: Allow implicit defitions of chains in scripts if they begin with 'user/' Matthew Wild <mwild1@gmail.com> parents: 2342 diff changeset	240 end
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	241 elseif chain_info.type ~= "event" then
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	242 return nil, errmsg("Only event chains supported at the moment");
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	243 end
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	244 ruleset[chain] = ruleset[chain] or {};
2070 2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned Kim Alvefur <zash@zash.se> parents: 1343 diff changeset	245 elseif not(state) and line:sub(1,1) == "%" then -- Definition (zone, limit, etc.)
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	246 local what, name = line:match("^%%%s*(%w+) +([^ :]+)");
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	247 if not definition_handlers[what] then
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	248 return nil, errmsg("Definition of unknown object: "..what);
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	249 elseif not name or not idsafe(name) then
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	250 return nil, errmsg("Invalid "..what.." name");
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	251 end
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	252
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	253 local val = line:match(": ?(.*)$");
2070 2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned Kim Alvefur <zash@zash.se> parents: 1343 diff changeset	254 if not val and line:find(":<") then -- Read from file
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	255 local fn = line:match(":< ?(.-)%s*$");
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	256 if not fn then
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	257 return nil, errmsg("Unable to parse filename");
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	258 end
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	259 local f, err = io.open(fn);
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	260 if not f then return nil, errmsg(err); end
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	261 val = f:read("*a"):gsub("\r?\n", " "):gsub("%s+5", "");
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	262 end
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	263 if not val then
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	264 return nil, errmsg("No value given for definition");
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	265 end
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	266
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	267 local ok, ret = pcall(definition_handlers[what], name, val);
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	268 if not ok then
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	269 return nil, errmsg(ret);
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	270 end
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	271
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	272 if not active_definitions[what] then
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	273 active_definitions[what] = {};
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	274 end
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	275 active_definitions[what][name] = ret;
2070 2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned Kim Alvefur <zash@zash.se> parents: 1343 diff changeset	276 elseif line:find("^[^%s:]+[%.=]") then
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	277 -- Action
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	278 if state == nil then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	279 -- This is a standalone action with no conditions
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	280 rule = new_rule(ruleset, chain);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	281 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	282 state = "actions";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	283 -- Action handlers?
2101 41a0a9db89ef mod_firewall: Allow actions to have underscores in their names Matthew Wild <mwild1@gmail.com> parents: 2100 diff changeset	284 local action = line:match("^[%w_]+");
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	285 if not action_handlers[action] then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	286 return nil, ("Unknown action on line %d: %s"):format(line_no, action or "<unknown>");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	287 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	288 table.insert(rule.actions, "-- "..line)
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	289 local ok, action_string, action_deps = pcall(action_handlers[action], line:match("=(.+)$"));
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	290 if not ok then
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	291 return nil, errmsg(action_string);
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	292 end
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	293 table.insert(rule.actions, action_string);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	294 for _, dep in ipairs(action_deps or {}) do
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	295 table.insert(rule.deps, dep);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	296 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	297 elseif state == "actions" then -- state is actions but action pattern did not match
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	298 state = nil; -- Awaiting next rule, etc.
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	299 table.insert(ruleset[chain], rule);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	300 rule = nil;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	301 else
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	302 if not state then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	303 state = "rules";
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	304 rule = new_rule(ruleset, chain);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	305 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	306 -- Check standard modifiers for the condition (e.g. NOT)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	307 local negated;
2404 9af2d36567a8 mod_firewall: Allow conditions to end with a question mark Kim Alvefur <zash@zash.se> parents: 2402 diff changeset	308 local condition = line:match("^[^:=%.?]*");
2070 2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned Kim Alvefur <zash@zash.se> parents: 1343 diff changeset	309 if condition:find("%f[%w]NOT%f[^%w]") then
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	310 local s, e = condition:match("%f[%w]()NOT()%f[^%w]");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	311 condition = (condition:sub(1,s-1)..condition:sub(e+1, -1)):match("^%s(.-)%s$");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	312 negated = true;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	313 end
998 6fdcebbd2284 mod_firewall: Fix conditions with spaces Matthew Wild <mwild1@gmail.com> parents: 996 diff changeset	314 condition = condition:gsub(" ", "_");
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	315 if not condition_handlers[condition] then
998 6fdcebbd2284 mod_firewall: Fix conditions with spaces Matthew Wild <mwild1@gmail.com> parents: 996 diff changeset	316 return nil, ("Unknown condition on line %d: %s"):format(line_no, (condition:gsub("_", " ")));
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	317 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	318 -- Get the code for this condition
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	319 local ok, condition_code, condition_deps = pcall(condition_handlers[condition], line:match(":%s?(.+)$"));
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	320 if not ok then
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	321 return nil, errmsg(condition_code);
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	322 end
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	323 if negated then condition_code = "not("..condition_code..")"; end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	324 table.insert(rule.conditions, condition_code);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	325 for _, dep in ipairs(condition_deps or {}) do
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	326 table.insert(rule.deps, dep);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	327 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	328 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	329 end
2078 11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	330 return ruleset;
11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	331 end
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	332
2078 11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	333 local function process_firewall_rules(ruleset)
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	334 -- Compile ruleset and return complete code
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	335
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	336 local chain_handlers = {};
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	337
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	338 -- Loop through the chains in the parsed ruleset (e.g. incoming, outgoing)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	339 for chain_name, rules in pairs(ruleset) do
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	340 local code = { included_deps = {}, global_header = {} };
1304 9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	341 local condition_uses = {};
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	342 -- This inner loop assumes chain is an event-based, not a filter-based
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	343 -- chain (filter-based will be added later)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	344 for _, rule in ipairs(rules) do
1304 9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	345 for _, condition in ipairs(rule.conditions) do
2070 2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned Kim Alvefur <zash@zash.se> parents: 1343 diff changeset	346 if condition:find("^not%(.+%)$") then
1304 9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	347 condition = condition:match("^not%((.+)%)$");
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	348 end
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	349 condition_uses[condition] = (condition_uses[condition] or 0) + 1;
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	350 end
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	351 end
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	352
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	353 local condition_cache, n_conditions = {}, 0;
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	354 for _, rule in ipairs(rules) do
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	355 for _, dep in ipairs(rule.deps) do
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	356 include_dep(dep, code);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	357 end
1303 8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	358 table.insert(code, "\n\t\t");
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	359 local rule_code;
967 a88f33fe6970 mod_firewall: Don't add empty conditions check when no conditions are listed in a rule Matthew Wild <mwild1@gmail.com> parents: 966 diff changeset	360 if #rule.conditions > 0 then
996 37af655ca575 mod_firewall: Cache conditions, so that they are only calculated once per chain execution Matthew Wild <mwild1@gmail.com> parents: 980 diff changeset	361 for i, condition in ipairs(rule.conditions) do
1001 c0850793b716 mod_firewall: don't use %b() (not technically correct) Matthew Wild <mwild1@gmail.com> parents: 999 diff changeset	362 local negated = condition:match("^not%(.+%)$");
996 37af655ca575 mod_firewall: Cache conditions, so that they are only calculated once per chain execution Matthew Wild <mwild1@gmail.com> parents: 980 diff changeset	363 if negated then
37af655ca575 mod_firewall: Cache conditions, so that they are only calculated once per chain execution Matthew Wild <mwild1@gmail.com> parents: 980 diff changeset	364 condition = condition:match("^not%((.+)%)$");
37af655ca575 mod_firewall: Cache conditions, so that they are only calculated once per chain execution Matthew Wild <mwild1@gmail.com> parents: 980 diff changeset	365 end
1304 9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	366 if condition_uses[condition] > 1 then
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	367 local name = condition_cache[condition];
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	368 if not name then
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	369 n_conditions = n_conditions + 1;
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	370 name = "condition"..n_conditions;
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	371 condition_cache[condition] = name;
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	372 table.insert(code, "local "..name.." = "..condition..";\n\t\t");
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	373 end
9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	374 rule.conditions[i] = (negated and "not(" or "")..name..(negated and ")" or "");
996 37af655ca575 mod_firewall: Cache conditions, so that they are only calculated once per chain execution Matthew Wild <mwild1@gmail.com> parents: 980 diff changeset	375 else
1304 9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	376 rule.conditions[i] = (negated and "not(" or "(")..condition..")";
996 37af655ca575 mod_firewall: Cache conditions, so that they are only calculated once per chain execution Matthew Wild <mwild1@gmail.com> parents: 980 diff changeset	377 end
37af655ca575 mod_firewall: Cache conditions, so that they are only calculated once per chain execution Matthew Wild <mwild1@gmail.com> parents: 980 diff changeset	378 end
1304 9f24ccaa66a6 mod_firewall: Do not cache conditions with only a single use Florian Zeitz <florob@babelmonkeys.de> parents: 1303 diff changeset	379
1303 8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	380 rule_code = "if "..table.concat(rule.conditions, " and ").." then\n\t\t\t"
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	381 ..table.concat(rule.actions, "\n\t\t\t")
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	382 .."\n\t\tend\n";
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	383 else
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	384 rule_code = table.concat(rule.actions, "\n\t\t");
967 a88f33fe6970 mod_firewall: Don't add empty conditions check when no conditions are listed in a rule Matthew Wild <mwild1@gmail.com> parents: 966 diff changeset	385 end
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	386 table.insert(code, rule_code);
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	387 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	388
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	389 for name in pairs(definition_handlers) do
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	390 table.insert(code.global_header, 1, "local "..name:lower().."s = definitions."..name..";");
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	391 end
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	392
1303 8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	393 local code_string = "return function (definitions, fire_event, log)\n\t"
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	394 ..table.concat(code.global_header, "\n\t")
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	395 .."\n\tlocal db = require 'util.debug';\n\n\t"
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	396 .."return function (event)\n\t\t"
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	397 .."local stanza, session = event.stanza, event.origin;\n"
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	398 ..table.concat(code, "")
8a3f3f485675 mod_firewall: Produce code with nicer indentation Florian Zeitz <florob@babelmonkeys.de> parents: 1052 diff changeset	399 .."\n\tend;\nend";
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	400
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	401 chain_handlers[chain_name] = code_string;
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	402 end
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	403
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	404 return chain_handlers;
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	405 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	406
2078 11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	407 local function compile_firewall_rules(filename)
11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	408 local ruleset, err = parse_firewall_rules(filename);
11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	409 if not ruleset then return nil, err; end
11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	410 local chain_handlers = process_firewall_rules(ruleset);
11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	411 return chain_handlers;
11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	412 end
11539785cb92 mod_firewall: Split compile function into two parts in order to separate their scopes Kim Alvefur <zash@zash.se> parents: 2077 diff changeset	413
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	414 local function compile_handler(code_string, filename)
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	415 -- Prepare event handler function
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	416 local chunk, err = loadstring(code_string, "="..filename);
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	417 if not chunk then
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	418 return nil, "Error compiling (probably a compiler bug, please report): "..err;
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	419 end
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	420 local function fire_event(name, data)
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	421 return module:fire_event(name, data);
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	422 end
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	423 chunk = chunk()(active_definitions, fire_event, logger(filename)); -- Returns event handler with 'zones' upvalue.
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	424 return chunk;
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	425 end
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	426
2366 14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	427 local function resolve_script_path(script_path)
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	428 local relative_to = prosody.paths.config;
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	429 if script_path:match("^module:") then
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	430 relative_to = module.path:sub(1, -#("/mod_"..module.name..".lua"));
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	431 script_path = script_path:match("^module:(.+)$");
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	432 end
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	433 return resolve_relative_path(relative_to, script_path);
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	434 end
14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	435
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	436 function module.load()
1052 80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	437 if not prosody.arg then return end -- Don't run in prosodyctl
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	438 active_definitions = {};
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	439 local firewall_scripts = module:get_option_set("firewall_scripts", {});
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	440 for script in firewall_scripts do
2366 14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	441 script = resolve_script_path(script);
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	442 local chain_functions, err = compile_firewall_rules(script)
1343 7dbde05b48a9 all the things: Remove trailing whitespace Florian Zeitz <florob@babelmonkeys.de> parents: 1325 diff changeset	443
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	444 if not chain_functions then
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	445 module:log("error", "Error compiling %s: %s", script, err or "unknown error");
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	446 else
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	447 for chain, handler_code in pairs(chain_functions) do
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	448 local handler, err = compile_handler(handler_code, "mod_firewall::"..chain);
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	449 if not handler then
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	450 module:log("error", "Compilation error for %s: %s", script, err);
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	451 else
33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	452 local chain_definition = chains[chain];
1325 b21236b6b8d8 Backed out changeset 853a382c9bd6 Kim Alvefur <zash@zash.se> parents: 1324 diff changeset	453 if chain_definition and chain_definition.type == "event" then
b21236b6b8d8 Backed out changeset 853a382c9bd6 Kim Alvefur <zash@zash.se> parents: 1324 diff changeset	454 for _, event_name in ipairs(chain_definition) do
b21236b6b8d8 Backed out changeset 853a382c9bd6 Kim Alvefur <zash@zash.se> parents: 1324 diff changeset	455 module:hook(event_name, handler, chain_definition.priority);
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	456 end
2070 2356114ff505 mod_firewall: Optimize string match operations, string.find is faster than .match since no string is returned Kim Alvefur <zash@zash.se> parents: 1343 diff changeset	457 elseif not chain:sub(1, 5) == "user/" then
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	458 module:log("warn", "Unknown chain %q", chain);
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	459 end
956 33d6642f4db7 mod_firewall: Tighten up error handling, and split rules->Lua and Lua->bytecode compilation into separate functions Matthew Wild <mwild1@gmail.com> parents: 955 diff changeset	460 module:hook("firewall/chains/"..chain, handler);
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	461 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	462 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	463 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	464 end
999 197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	465 -- Replace contents of definitions table (shared) with active definitions
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	466 for k in it.keys(definitions) do definitions[k] = nil; end
197af8440ffb mod_firewall: Make defining objects generic (currently zones and rate limits), so more can easily be added. Also a syntax change... definition lines must begin with % Matthew Wild <mwild1@gmail.com> parents: 998 diff changeset	467 for k,v in pairs(active_definitions) do definitions[k] = v; end
947 c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax Matthew Wild <mwild1@gmail.com> parents: diff changeset	468 end
1052 80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	469
80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	470 function module.command(arg)
80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	471 if not arg[1] or arg[1] == "--help" then
80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	472 require"util.prosodyctl".show_usage([[mod_firewall <firewall.pfw>]], [[Compile files with firewall rules to Lua code]]);
80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	473 return 1;
80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	474 end
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	475 local verbose = arg[1] == "-v";
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	476 if verbose then table.remove(arg, 1); end
1052 80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	477
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	478 local serialize = require "util.serialization".serialize;
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	479 if verbose then
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	480 print("local logger = require \"util.logger\".init;");
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	481 print();
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	482 print("local function fire_event(name, data)\n\tmodule:fire_event(name, data)\nend");
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	483 print();
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	484 end
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	485
1052 80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	486 for _, filename in ipairs(arg) do
2366 14021c93a962 mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file Matthew Wild <mwild1@gmail.com> parents: 2365 diff changeset	487 filename = resolve_script_path(filename);
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	488 print("do -- File "..filename);
2365 05dae9adf778 mod_firewall: Fix for when compiling on the command line and specifying multiple files Matthew Wild <mwild1@gmail.com> parents: 2364 diff changeset	489 local chain_functions = assert(compile_firewall_rules(filename));
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	490 if verbose then
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	491 print();
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	492 print("local active_definitions = "..serialize(active_definitions)..";");
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	493 print();
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	494 end
2367 3ebd3cb4d7d2 mod_firewall: When compiling on the command-line with -v, ensure chain function names are unique and valid ids Matthew Wild <mwild1@gmail.com> parents: 2366 diff changeset	495 local c = 0;
1052 80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	496 for chain, handler_code in pairs(chain_functions) do
2367 3ebd3cb4d7d2 mod_firewall: When compiling on the command-line with -v, ensure chain function names are unique and valid ids Matthew Wild <mwild1@gmail.com> parents: 2366 diff changeset	497 c = c + 1;
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	498 print("---- Chain "..chain:gsub("_", " "));
2367 3ebd3cb4d7d2 mod_firewall: When compiling on the command-line with -v, ensure chain function names are unique and valid ids Matthew Wild <mwild1@gmail.com> parents: 2366 diff changeset	499 local chain_func_name = "chain_"..tostring(c).."_"..chain:gsub("%p", "_");
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	500 if not verbose then
2367 3ebd3cb4d7d2 mod_firewall: When compiling on the command-line with -v, ensure chain function names are unique and valid ids Matthew Wild <mwild1@gmail.com> parents: 2366 diff changeset	501 print(("%s = %s;"):format(chain_func_name, handler_code:sub(8)));
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	502 else
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	503
2367 3ebd3cb4d7d2 mod_firewall: When compiling on the command-line with -v, ensure chain function names are unique and valid ids Matthew Wild <mwild1@gmail.com> parents: 2366 diff changeset	504 print(("local %s = (%s)(active_definitions, fire_event, logger(%q));"):format(chain_func_name, handler_code:sub(8), filename));
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	505 print();
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	506
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	507 local chain_definition = chains[chain];
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	508 if chain_definition and chain_definition.type == "event" then
643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	509 for _, event_name in ipairs(chain_definition) do
2367 3ebd3cb4d7d2 mod_firewall: When compiling on the command-line with -v, ensure chain function names are unique and valid ids Matthew Wild <mwild1@gmail.com> parents: 2366 diff changeset	510 print(("module:hook(%q, %s, %d);"):format(event_name, chain_func_name, chain_definition.priority or 0));
2118 643b254e75de mod_firewall: Disable more realistic output by default, activated by adding a -v flag Kim Alvefur <zash@zash.se> parents: 2117 diff changeset	511 end
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	512 end
2367 3ebd3cb4d7d2 mod_firewall: When compiling on the command-line with -v, ensure chain function names are unique and valid ids Matthew Wild <mwild1@gmail.com> parents: 2366 diff changeset	513 print(("module:hook(%q, %s, %d);"):format("firewall/chains/"..chain, chain_func_name, chain_definition.priority or 0));
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	514 end
5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	515
5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	516 print("---- End of chain "..chain);
5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	517 print();
1052 80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	518 end
2117 5aa3b93cd37a mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work) Kim Alvefur <zash@zash.se> parents: 2113 diff changeset	519 print("end -- End of file "..filename);
1052 80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	520 end
80f0a3231c59 mod_firewall: Add support for being called as a prosodyctl command Kim Alvefur <zash@zash.se> parents: 1051 diff changeset	521 end

Mercurial > prosody-modules

annotate mod_firewall/mod_firewall.lua @ 2412:9159f9166893