author | Kim Alvefur <zash@zash.se> |
Sat, 03 Dec 2016 20:00:08 +0100 | |
changeset 2416 | 9159f9166893 |
parent 2408 | 9af2d36567a8 |
child 2419 | 07d7036040ee |
permissions | -rw-r--r-- |
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local resolve_relative_path = require "core.configmanager".resolve_relative_path; |
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local logger = require "util.logger".init; |
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local it = require "util.iterators"; |
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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 %
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local definitions = module:shared("definitions"); |
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local active_definitions = { |
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ZONE = { |
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-- Default zone that includes all local hosts |
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["$local"] = setmetatable({}, { __index = prosody.hosts }); |
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} |
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}; |
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local default_chains = { |
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preroute = { |
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type = "event"; |
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priority = 0.1; |
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"pre-message/bare", "pre-message/full", "pre-message/host"; |
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"pre-presence/bare", "pre-presence/full", "pre-presence/host"; |
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"pre-iq/bare", "pre-iq/full", "pre-iq/host"; |
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}; |
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deliver = { |
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type = "event"; |
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priority = 0.1; |
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"message/bare", "message/full", "message/host"; |
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"presence/bare", "presence/full", "presence/host"; |
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"iq/bare", "iq/full", "iq/host"; |
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}; |
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deliver_remote = { |
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type = "event"; "route/remote"; |
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priority = 0.1; |
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}; |
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}; |
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local extra_chains = module:get_option("firewall_extra_chains", {}); |
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local chains = {}; |
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for k,v in pairs(default_chains) do |
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chains[k] = v; |
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end |
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for k,v in pairs(extra_chains) do |
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chains[k] = v; |
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end |
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-- Returns the input if it is safe to be used as a variable name, otherwise nil |
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function idsafe(name) |
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return name:match("^%a[%w_]*$") |
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end |
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-- Run quoted (%q) strings through this to allow them to contain code. e.g.: LOG=Received: $(stanza:top_tag()) |
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function meta(s, extra) |
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return (s:gsub("$(%b())", function (expr) |
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expr = expr:gsub("\\(.)", "%1"); |
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return [["..tostring(]]..expr..[[).."]]; |
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end) |
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:gsub("$(%b<>)", function (expr) |
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expr = expr:sub(2,-2); |
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local default = expr:match("||([^|]+)$"); |
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if default then |
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expr = expr:sub(1, -(#default+2)); |
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else |
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default = "<undefined>"; |
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end |
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if expr:match("^@") then |
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return "\"..(stanza.attr["..("%q"):format(expr:sub(2)).."] or "..("%q"):format(default)..")..\""; |
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end |
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return "\"..(stanza:find("..("%q"):format(expr:sub(2, -2))..") or "..("%q"):format(default)..")..\""; |
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end) |
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:gsub("$$(%a+)", extra or {}) |
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:gsub([[^""%.%.]], "") |
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:gsub([[%.%.""$]], "")); |
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end |
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|
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|
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-- Dependency locations: |
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-- <type lib> |
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-- <type global> |
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-- function handler() |
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-- <local deps> |
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-- if <conditions> then |
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-- <actions> |
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-- end |
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-- end |
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|
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local available_deps = { |
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st = { global_code = [[local st = require "util.stanza";]]}; |
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jid_split = { |
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global_code = [[local jid_split = require "util.jid".split;]]; |
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}; |
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jid_bare = { |
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global_code = [[local jid_bare = require "util.jid".bare;]]; |
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}; |
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to = { local_code = [[local to = stanza.attr.to or jid_bare(session.full_jid);]]; depends = { "jid_bare" } }; |
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from = { local_code = [[local from = stanza.attr.from;]] }; |
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type = { local_code = [[local type = stanza.attr.type;]] }; |
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name = { local_code = [[local name = stanza.name]] }; |
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split_to = { -- The stanza's split to address |
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depends = { "jid_split", "to" }; |
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local_code = [[local to_node, to_host, to_resource = jid_split(to);]]; |
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}; |
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split_from = { -- The stanza's split from address |
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depends = { "jid_split", "from" }; |
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local_code = [[local from_node, from_host, from_resource = jid_split(from);]]; |
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}; |
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|
105 |
bare_to = { depends = { "jid_bare", "to" }, local_code = "local bare_to = jid_bare(to)"}; |
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parents:
diff
changeset
|
106 |
bare_from = { depends = { "jid_bare", "from" }, local_code = "local bare_from = jid_bare(from)"}; |
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parents:
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changeset
|
107 |
group_contains = { |
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mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
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parents:
diff
changeset
|
108 |
global_code = [[local group_contains = module:depends("groups").group_contains]]; |
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parents:
diff
changeset
|
109 |
}; |
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parents:
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changeset
|
110 |
is_admin = { global_code = [[local is_admin = require "core.usermanager".is_admin]]}; |
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parents:
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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
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diff
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|
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:
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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:
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diff
changeset
|
116 |
date_time = { global_code = [[local os_date = os.date]]; local_code = [[local current_date_time = os_date("*t");]] }; |
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diff
changeset
|
117 |
time = { local_code = function (what) |
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parents:
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diff
changeset
|
118 |
local defs = {}; |
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parents:
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diff
changeset
|
119 |
for field in what:gmatch("%a+") do |
a65df6e97d94
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diff
changeset
|
120 |
table.insert(defs, ("local current_%s = current_date_time.%s;"):format(field, field)); |
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diff
changeset
|
121 |
end |
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parents:
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diff
changeset
|
122 |
return table.concat(defs, " "); |
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diff
changeset
|
123 |
end, depends = { "date_time" }; }; |
2104
cbd0095e9302
mod_firewall: Add 'timestamp' dep to get current_timestamp
Matthew Wild <mwild1@gmail.com>
parents:
2103
diff
changeset
|
124 |
timestamp = { global_code = [[local get_time = require "socket".gettime]]; local_code = [[local current_timestamp = get_time()]]; }; |
2132
21bc4d7cddae
mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents:
2130
diff
changeset
|
125 |
globalthrottle = { |
971
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diff
changeset
|
126 |
global_code = function (throttle) |
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parents:
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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); |
2132
21bc4d7cddae
mod_firewall: Add support for throttling based on user-defined properties (experimental)
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diff
changeset
|
129 |
return ("local global_throttle_%s = rates.%s:single();"):format(throttle, throttle); |
21bc4d7cddae
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Matthew Wild <mwild1@gmail.com>
parents:
2130
diff
changeset
|
130 |
end; |
21bc4d7cddae
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parents:
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diff
changeset
|
131 |
}; |
21bc4d7cddae
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diff
changeset
|
132 |
multithrottle = { |
21bc4d7cddae
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parents:
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diff
changeset
|
133 |
global_code = function (throttle) |
2134
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:
2132
diff
changeset
|
134 |
assert(pcall(require, "util.cache"), "Using LIMIT with 'on' requires Prosody 0.10 or higher"); |
2132
21bc4d7cddae
mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents:
2130
diff
changeset
|
135 |
assert(idsafe(throttle), "Invalid rate limit name: "..throttle); |
21bc4d7cddae
mod_firewall: Add support for throttling based on user-defined properties (experimental)
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parents:
2130
diff
changeset
|
136 |
assert(active_definitions.RATE[throttle], "Unknown rate limit: "..throttle); |
21bc4d7cddae
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parents:
2130
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 |
}; |
2406
2040330586e4
mod_firewall: Split import of rostermanager into its own dependency
Kim Alvefur <zash@zash.se>
parents:
2389
diff
changeset
|
140 |
rostermanager = { |
2040330586e4
mod_firewall: Split import of rostermanager into its own dependency
Kim Alvefur <zash@zash.se>
parents:
2389
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:
2389
diff
changeset
|
142 |
}; |
2346
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:
2134
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:
2134
diff
changeset
|
144 |
local_code = [[local roster_entry = (rostermanager.load_roster(to_node, to_host) or {})[bare_from];]]; |
2406
2040330586e4
mod_firewall: Split import of rostermanager into its own dependency
Kim Alvefur <zash@zash.se>
parents:
2389
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:
2389
diff
changeset
|
146 |
}; |
947
c91cac3b823f
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diff
changeset
|
147 |
}; |
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Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
148 |
|
2081
368b091e723b
mod_firewall: Rename argument to avoid name clash [luacheck]
Kim Alvefur <zash@zash.se>
parents:
2080
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:
2080
diff
changeset
|
150 |
local dep, dep_param = dependency:match("^([^:]+):?(.*)$"); |
947
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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 |
|
2082
11539785cb92
mod_firewall: Split compile function into two parts in order to separate their scopes
Kim Alvefur <zash@zash.se>
parents:
2081
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 |
|
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205 |
local chain = "deliver"; -- Default chain |
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206 |
local rule; |
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207 |
|
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208 |
local file, err = io.open(filename); |
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209 |
if not file then return nil, err; end |
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210 |
|
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211 |
local state; -- nil -> "rules" -> "actions" -> nil -> ... |
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212 |
|
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213 |
local line_hold; |
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214 |
for line in file:lines() do |
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215 |
line = line:match("^%s*(.-)%s*$"); |
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216 |
if line_hold and line:sub(-1,-1) ~= "\\" then |
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line = line_hold..line; |
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218 |
line_hold = nil; |
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219 |
elseif line:sub(-1,-1) == "\\" then |
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220 |
line_hold = (line_hold or "")..line:sub(1,-2); |
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221 |
end |
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222 |
line_no = line_no + 1; |
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223 |
|
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|
224 |
if line_hold or line:find("^[#;]") then -- luacheck: ignore 542 |
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225 |
-- No action; comment or partial line |
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|
226 |
elseif line == "" then |
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227 |
if state == "rules" then |
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228 |
return nil, ("Expected an action on line %d for preceding criteria") |
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|
229 |
:format(line_no); |
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|
230 |
end |
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231 |
state = nil; |
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232 |
elseif not(state) and line:sub(1, 2) == "::" then |
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|
233 |
chain = line:gsub("^::%s*", ""); |
980 | 234 |
local chain_info = chains[chain]; |
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|
235 |
if not chain_info then |
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|
236 |
if chain:match("^user/") then |
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|
237 |
chains[chain] = { type = "event", priority = 1, "firewall/chains/"..chain }; |
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|
238 |
else |
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|
239 |
return nil, errmsg("Unknown chain: "..chain); |
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|
240 |
end |
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|
241 |
elseif chain_info.type ~= "event" then |
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|
242 |
return nil, errmsg("Only event chains supported at the moment"); |
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|
243 |
end |
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|
244 |
ruleset[chain] = ruleset[chain] or {}; |
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|
245 |
elseif not(state) and line:sub(1,1) == "%" then -- Definition (zone, limit, etc.) |
999
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|
246 |
local what, name = line:match("^%%%s*(%w+) +([^ :]+)"); |
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|
247 |
if not definition_handlers[what] then |
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|
248 |
return nil, errmsg("Definition of unknown object: "..what); |
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|
249 |
elseif not name or not idsafe(name) then |
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|
250 |
return nil, errmsg("Invalid "..what.." name"); |
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|
251 |
end |
999
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|
252 |
|
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|
253 |
local val = line:match(": ?(.*)$"); |
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|
254 |
if not val and line:find(":<") then -- Read from file |
999
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|
255 |
local fn = line:match(":< ?(.-)%s*$"); |
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|
256 |
if not fn then |
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|
257 |
return nil, errmsg("Unable to parse filename"); |
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|
258 |
end |
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|
259 |
local f, err = io.open(fn); |
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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 %
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|
260 |
if not f then return nil, errmsg(err); end |
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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 %
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|
261 |
val = f:read("*a"):gsub("\r?\n", " "):gsub("%s+5", ""); |
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|
262 |
end |
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diff
changeset
|
263 |
if not val then |
197af8440ffb
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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:
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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 %
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parents:
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diff
changeset
|
266 |
|
197af8440ffb
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parents:
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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 %
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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 %
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parents:
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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 %
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diff
changeset
|
270 |
end |
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diff
changeset
|
271 |
|
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parents:
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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 %
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parents:
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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 %
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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; |
2074
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Kim Alvefur <zash@zash.se>
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1343
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|
276 |
elseif line:find("^[^%s:]+[%.=]") then |
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|
277 |
-- Action |
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|
278 |
if state == nil then |
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changeset
|
279 |
-- This is a standalone action with no conditions |
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changeset
|
280 |
rule = new_rule(ruleset, chain); |
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changeset
|
281 |
end |
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diff
changeset
|
282 |
state = "actions"; |
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changeset
|
283 |
-- Action handlers? |
2105
41a0a9db89ef
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2104
diff
changeset
|
284 |
local action = line:match("^[%w_]+"); |
947
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|
285 |
if not action_handlers[action] then |
c91cac3b823f
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parents:
diff
changeset
|
286 |
return nil, ("Unknown action on line %d: %s"):format(line_no, action or "<unknown>"); |
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diff
changeset
|
287 |
end |
c91cac3b823f
mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
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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
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changeset
|
293 |
table.insert(rule.actions, action_string); |
c91cac3b823f
mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
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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
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parents:
diff
changeset
|
295 |
table.insert(rule.deps, dep); |
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mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
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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
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parents:
diff
changeset
|
298 |
state = nil; -- Awaiting next rule, etc. |
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mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
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parents:
diff
changeset
|
299 |
table.insert(ruleset[chain], rule); |
c91cac3b823f
mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
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parents:
diff
changeset
|
300 |
rule = nil; |
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mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
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parents:
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changeset
|
301 |
else |
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mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
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parents:
diff
changeset
|
302 |
if not state then |
c91cac3b823f
mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
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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
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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; |
2408
9af2d36567a8
mod_firewall: Allow conditions to end with a question mark
Kim Alvefur <zash@zash.se>
parents:
2406
diff
changeset
|
308 |
local condition = line:match("^[^:=%.?]*"); |
2074
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 |
2082
11539785cb92
mod_firewall: Split compile function into two parts in order to separate their scopes
Kim Alvefur <zash@zash.se>
parents:
2081
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:
2081
diff
changeset
|
331 |
end |
1343
7dbde05b48a9
all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
1325
diff
changeset
|
332 |
|
2082
11539785cb92
mod_firewall: Split compile function into two parts in order to separate their scopes
Kim Alvefur <zash@zash.se>
parents:
2081
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 |
2074
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 |
|
2082
11539785cb92
mod_firewall: Split compile function into two parts in order to separate their scopes
Kim Alvefur <zash@zash.se>
parents:
2081
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:
2081
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:
2081
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:
2081
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:
2081
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:
2081
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:
2081
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 |
|
2370
14021c93a962
mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file
Matthew Wild <mwild1@gmail.com>
parents:
2369
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:
2369
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:
2369
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:
2369
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:
2369
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:
2369
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:
2369
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:
2369
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:
2369
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 |
2370
14021c93a962
mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file
Matthew Wild <mwild1@gmail.com>
parents:
2369
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 |
2074
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 |
2122
643b254e75de
mod_firewall: Disable more realistic output by default, activated by adding a -v flag
Kim Alvefur <zash@zash.se>
parents:
2121
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:
2121
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 |
|
2121
5aa3b93cd37a
mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work)
Kim Alvefur <zash@zash.se>
parents:
2117
diff
changeset
|
478 |
local serialize = require "util.serialization".serialize; |
2122
643b254e75de
mod_firewall: Disable more realistic output by default, activated by adding a -v flag
Kim Alvefur <zash@zash.se>
parents:
2121
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:
2121
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:
2121
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:
2121
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:
2121
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:
2121
diff
changeset
|
484 |
end |
2121
5aa3b93cd37a
mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work)
Kim Alvefur <zash@zash.se>
parents:
2117
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 |
2370
14021c93a962
mod_firewall: Allow prefixing script paths with 'module:' to specify path relative to module file
Matthew Wild <mwild1@gmail.com>
parents:
2369
diff
changeset
|
487 |
filename = resolve_script_path(filename); |
2121
5aa3b93cd37a
mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work)
Kim Alvefur <zash@zash.se>
parents:
2117
diff
changeset
|
488 |
print("do -- File "..filename); |
2369
05dae9adf778
mod_firewall: Fix for when compiling on the command line and specifying multiple files
Matthew Wild <mwild1@gmail.com>
parents:
2368
diff
changeset
|
489 |
local chain_functions = assert(compile_firewall_rules(filename)); |
2122
643b254e75de
mod_firewall: Disable more realistic output by default, activated by adding a -v flag
Kim Alvefur <zash@zash.se>
parents:
2121
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:
2121
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:
2121
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:
2121
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:
2121
diff
changeset
|
494 |
end |
2371
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:
2370
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 |
2371
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:
2370
diff
changeset
|
497 |
c = c + 1; |
2121
5aa3b93cd37a
mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work)
Kim Alvefur <zash@zash.se>
parents:
2117
diff
changeset
|
498 |
print("---- Chain "..chain:gsub("_", " ")); |
2371
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:
2370
diff
changeset
|
499 |
local chain_func_name = "chain_"..tostring(c).."_"..chain:gsub("%p", "_"); |
2122
643b254e75de
mod_firewall: Disable more realistic output by default, activated by adding a -v flag
Kim Alvefur <zash@zash.se>
parents:
2121
diff
changeset
|
500 |
if not verbose then |
2371
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:
2370
diff
changeset
|
501 |
print(("%s = %s;"):format(chain_func_name, handler_code:sub(8))); |
2122
643b254e75de
mod_firewall: Disable more realistic output by default, activated by adding a -v flag
Kim Alvefur <zash@zash.se>
parents:
2121
diff
changeset
|
502 |
else |
2121
5aa3b93cd37a
mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work)
Kim Alvefur <zash@zash.se>
parents:
2117
diff
changeset
|
503 |
|
2371
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:
2370
diff
changeset
|
504 |
print(("local %s = (%s)(active_definitions, fire_event, logger(%q));"):format(chain_func_name, handler_code:sub(8), filename)); |
2122
643b254e75de
mod_firewall: Disable more realistic output by default, activated by adding a -v flag
Kim Alvefur <zash@zash.se>
parents:
2121
diff
changeset
|
505 |
print(); |
2121
5aa3b93cd37a
mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work)
Kim Alvefur <zash@zash.se>
parents:
2117
diff
changeset
|
506 |
|
2122
643b254e75de
mod_firewall: Disable more realistic output by default, activated by adding a -v flag
Kim Alvefur <zash@zash.se>
parents:
2121
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:
2121
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:
2121
diff
changeset
|
509 |
for _, event_name in ipairs(chain_definition) do |
2371
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:
2370
diff
changeset
|
510 |
print(("module:hook(%q, %s, %d);"):format(event_name, chain_func_name, chain_definition.priority or 0)); |
2122
643b254e75de
mod_firewall: Disable more realistic output by default, activated by adding a -v flag
Kim Alvefur <zash@zash.se>
parents:
2121
diff
changeset
|
511 |
end |
2121
5aa3b93cd37a
mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work)
Kim Alvefur <zash@zash.se>
parents:
2117
diff
changeset
|
512 |
end |
2371
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:
2370
diff
changeset
|
513 |
print(("module:hook(%q, %s, %d);"):format("firewall/chains/"..chain, chain_func_name, chain_definition.priority or 0)); |
2121
5aa3b93cd37a
mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work)
Kim Alvefur <zash@zash.se>
parents:
2117
diff
changeset
|
514 |
end |
5aa3b93cd37a
mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work)
Kim Alvefur <zash@zash.se>
parents:
2117
diff
changeset
|
515 |
|
5aa3b93cd37a
mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work)
Kim Alvefur <zash@zash.se>
parents:
2117
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:
2117
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 |
2121
5aa3b93cd37a
mod_firewall: Make prosodyctl command output more realistic source (not guaranteed to work)
Kim Alvefur <zash@zash.se>
parents:
2117
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 |