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annotate mod_firewall/conditions.lib.lua @ 2342:6848297cf40a

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mod_firewall: Add conditions for testing whether a sender of a stanza is in the recipient's roster (or in a certain roster group)
author Matthew Wild <mwild1@gmail.com>
date Fri, 04 Nov 2016 12:46:11 +0000
parents 21bc4d7cddae
children c065ab67d807
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 --luacheck: globals meta idsafe
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2 local condition_handlers = {};
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3
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4 local jid = require "util.jid";
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5
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6 -- Helper to convert user-input strings (yes/true//no/false) to a bool
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7 local function string_to_boolean(s)
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8 s = s:lower();
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9 return s == "yes" or s == "true";
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10 end
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11
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12 -- Return a code string for a condition that checks whether the contents
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13 -- of variable with the name 'name' matches any of the values in the
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14 -- comma/space/pipe delimited list 'values'.
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15 local function compile_comparison_list(name, values)
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16 local conditions = {};
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17 for value in values:gmatch("[^%s,|]+") do
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18 table.insert(conditions, ("%s == %q"):format(name, value));
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19 end
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20 return table.concat(conditions, " or ");
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21 end
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22
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23 function condition_handlers.KIND(kind)
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24 return compile_comparison_list("name", kind), { "name" };
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25 end
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26
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27 local wildcard_equivs = { ["*"] = ".*", ["?"] = "." };
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28
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29 local function compile_jid_match_part(part, match)
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30 if not match then
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31 return part.." == nil";
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32 end
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33 local pattern = match:match("^<(.*)>$");
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34 if pattern then
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35 if pattern == "*" then
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36 return part;
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37 end
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38 if pattern:find("^<.*>$") then
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39 pattern = pattern:match("^<(.*)>$");
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40 else
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41 pattern = pattern:gsub("%p", "%%%0"):gsub("%%(%p)", wildcard_equivs);
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42 end
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43 return ("(%s and %s:find(%q))"):format(part, part, "^"..pattern.."$");
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44 else
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45 return ("%s == %q"):format(part, match);
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46 end
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47 end
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48
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49 local function compile_jid_match(which, match_jid)
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50 local match_node, match_host, match_resource = jid.split(match_jid);
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51 local conditions = {};
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52 conditions[#conditions+1] = compile_jid_match_part(which.."_node", match_node);
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53 conditions[#conditions+1] = compile_jid_match_part(which.."_host", match_host);
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54 if match_resource then
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55 conditions[#conditions+1] = compile_jid_match_part(which.."_resource", match_resource);
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56 end
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57 return table.concat(conditions, " and ");
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58 end
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59
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60 function condition_handlers.TO(to)
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61 return compile_jid_match("to", to), { "split_to" };
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62 end
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63
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64 function condition_handlers.FROM(from)
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65 return compile_jid_match("from", from), { "split_from" };
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66 end
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67
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68 function condition_handlers.FROM_EXACTLY(from)
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69 return ("from == %q"):format(from), { "from" };
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70 end
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71
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72 function condition_handlers.TO_EXACTLY(to)
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73 return ("to == %q"):format(to), { "to" };
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74 end
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75
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76 function condition_handlers.TYPE(type)
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77 return compile_comparison_list("(type or (name == 'message' and 'normal') or (name == 'presence' and 'available'))", type), { "type", "name" };
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78 end
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80 local function zone_check(zone, which)
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81 local which_not = which == "from" and "to" or "from";
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82 return ("(zone_%s[%s_host] or zone_%s[%s] or zone_%s[bare_%s]) "
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83 .."and not(zone_%s[%s_host] or zone_%s[%s] or zone_%s[bare_%s])"
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84 )
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85 :format(zone, which, zone, which, zone, which,
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86 zone, which_not, zone, which_not, zone, which_not), {
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87 "split_to", "split_from", "bare_to", "bare_from", "zone:"..zone
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88 };
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89 end
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90
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91 function condition_handlers.ENTERING(zone)
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92 return zone_check(zone, "to");
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93 end
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94
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95 function condition_handlers.LEAVING(zone)
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96 return zone_check(zone, "from");
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97 end
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98
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99 function condition_handlers.IN_ROSTER(yes_no)
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100 local in_roster_requirement = string_to_boolean(yes_no);
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101 return "not "..(in_roster_requirement and "not" or "").." roster_entry", { "roster_entry" };
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102 end
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103
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104 function condition_handlers.IN_ROSTER_GROUP(group)
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105 return ("not not (roster_entry and roster_entry.groups[%q])"):format(group), { "roster_entry" };
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106 end
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107
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108 function condition_handlers.PAYLOAD(payload_ns)
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109 return ("stanza:get_child(nil, %q)"):format(payload_ns);
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110 end
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111
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112 function condition_handlers.INSPECT(path)
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113 if path:find("=") then
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parents: 2107
diff changeset
114 local query, is_pattern_match, value = path:match("(.-)(~?)=(.*)");
9db4113d0cb5 mod_firewall: INSPECT: Support for pattern matches (confusingly using ~= instead of =)
Matthew Wild <mwild1@gmail.com>
parents: 2107
diff changeset
115 if is_pattern_match ~= "" then
9db4113d0cb5 mod_firewall: INSPECT: Support for pattern matches (confusingly using ~= instead of =)
Matthew Wild <mwild1@gmail.com>
parents: 2107
diff changeset
116 return ("stanza:find(%q):match(%q)"):format(path:match("(.-)~=(.*)"));
9db4113d0cb5 mod_firewall: INSPECT: Support for pattern matches (confusingly using ~= instead of =)
Matthew Wild <mwild1@gmail.com>
parents: 2107
diff changeset
117 else
9db4113d0cb5 mod_firewall: INSPECT: Support for pattern matches (confusingly using ~= instead of =)
Matthew Wild <mwild1@gmail.com>
parents: 2107
diff changeset
118 return ("stanza:find(%q) == %q"):format(path:match("(.-)=(.*)"));
9db4113d0cb5 mod_firewall: INSPECT: Support for pattern matches (confusingly using ~= instead of =)
Matthew Wild <mwild1@gmail.com>
parents: 2107
diff changeset
119 end
954
bec5b6e2eab8 mod_firewall: Add INSPECT conditional, for deeper inspection of stanzas
Kim Alvefur <zash@zash.se>
parents: 947
diff changeset
120 end
bec5b6e2eab8 mod_firewall: Add INSPECT conditional, for deeper inspection of stanzas
Kim Alvefur <zash@zash.se>
parents: 947
diff changeset
121 return ("stanza:find(%q)"):format(path);
bec5b6e2eab8 mod_firewall: Add INSPECT conditional, for deeper inspection of stanzas
Kim Alvefur <zash@zash.se>
parents: 947
diff changeset
122 end
bec5b6e2eab8 mod_firewall: Add INSPECT conditional, for deeper inspection of stanzas
Kim Alvefur <zash@zash.se>
parents: 947
diff changeset
123
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
124 function condition_handlers.FROM_GROUP(group_name)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
125 return ("group_contains(%q, bare_from)"):format(group_name), { "group_contains", "bare_from" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
126 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
127
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
128 function condition_handlers.TO_GROUP(group_name)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
129 return ("group_contains(%q, bare_to)"):format(group_name), { "group_contains", "bare_to" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
130 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
131
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
132 function condition_handlers.FROM_ADMIN_OF(host)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
133 return ("is_admin(bare_from, %s)"):format(host ~= "*" and host or nil), { "is_admin", "bare_from" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
134 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
135
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
136 function condition_handlers.TO_ADMIN_OF(host)
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
137 return ("is_admin(bare_to, %s)"):format(host ~= "*" and host or nil), { "is_admin", "bare_to" };
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
138 end
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
139
968
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
140 local day_numbers = { sun = 0, mon = 2, tue = 3, wed = 4, thu = 5, fri = 6, sat = 7 };
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
141
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
142 local function current_time_check(op, hour, minute)
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
143 hour, minute = tonumber(hour), tonumber(minute);
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
144 local adj_op = op == "<" and "<" or ">="; -- Start time inclusive, end time exclusive
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
145 if minute == 0 then
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
146 return "(current_hour"..adj_op..hour..")";
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
147 else
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
148 return "((current_hour"..op..hour..") or (current_hour == "..hour.." and current_minute"..adj_op..minute.."))";
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
149 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
150 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
151
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
152 local function resolve_day_number(day_name)
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
153 return assert(day_numbers[day_name:sub(1,3):lower()], "Unknown day name: "..day_name);
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
154 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
155
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
156 function condition_handlers.DAY(days)
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
157 local conditions = {};
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
158 for day_range in days:gmatch("[^,]+") do
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
159 local day_start, day_end = day_range:match("(%a+)%s*%-%s*(%a+)");
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
160 if day_start and day_end then
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
161 local day_start_num, day_end_num = resolve_day_number(day_start), resolve_day_number(day_end);
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
162 local op = "and";
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
163 if day_end_num < day_start_num then
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
164 op = "or";
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
165 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
166 table.insert(conditions, ("current_day >= %d %s current_day <= %d"):format(day_start_num, op, day_end_num));
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: 2036
diff changeset
167 elseif day_range:find("%a") then
968
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
168 local day = resolve_day_number(day_range:match("%a+"));
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
169 table.insert(conditions, "current_day == "..day);
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
170 else
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
171 error("Unable to parse day/day range: "..day_range);
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
172 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
173 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
174 assert(#conditions>0, "Expected a list of days or day ranges");
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
175 return "("..table.concat(conditions, ") or (")..")", { "time:day" };
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
176 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
177
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
178 function condition_handlers.TIME(ranges)
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
179 local conditions = {};
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
180 for range in ranges:gmatch("([^,]+)") do
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
181 local clause = {};
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
182 range = range:lower()
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
183 :gsub("(%d+):?(%d*) *am", function (h, m) return tostring(tonumber(h)%12)..":"..(tonumber(m) or "00"); end)
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
184 :gsub("(%d+):?(%d*) *pm", function (h, m) return tostring(tonumber(h)%12+12)..":"..(tonumber(m) or "00"); end);
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
185 local start_hour, start_minute = range:match("(%d+):(%d+) *%-");
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
186 local end_hour, end_minute = range:match("%- *(%d+):(%d+)");
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
187 local op = tonumber(start_hour) > tonumber(end_hour) and " or " or " and ";
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
188 if start_hour and end_hour then
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
189 table.insert(clause, current_time_check(">", start_hour, start_minute));
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
190 table.insert(clause, current_time_check("<", end_hour, end_minute));
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
191 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
192 if #clause == 0 then
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
193 error("Unable to parse time range: "..range);
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
194 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
195 table.insert(conditions, "("..table.concat(clause, " "..op.." ")..")");
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
196 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
197 return table.concat(conditions, " or "), { "time:hour,min" };
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
198 end
f3b0ddeebd9d mod_firewall/conditions: Add DAY and TIME conditions
Matthew Wild <mwild1@gmail.com>
parents: 965
diff changeset
199
2128
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
200 function condition_handlers.LIMIT(spec)
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
201 local name, param = spec:match("^(%w+) on (.+)$");
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
202
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
203 if not name then
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
204 name = spec:match("^%w+$");
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
205 if not name then
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
206 error("Unable to parse LIMIT specification");
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
207 end
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
208 else
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
209 param = meta(("%q"):format(param));
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
210 end
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
211
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
212 if not param then
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
213 return ("not global_throttle_%s:poll(1)"):format(name), { "globalthrottle:"..name };
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
214 end
21bc4d7cddae mod_firewall: Add support for throttling based on user-defined properties (experimental)
Matthew Wild <mwild1@gmail.com>
parents: 2127
diff changeset
215 return ("not multi_throttle_%s:poll_on(%s, 1)"):format(name, param), { "multithrottle:"..name };
971
53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables
Matthew Wild <mwild1@gmail.com>
parents: 968
diff changeset
216 end
53e158e44a44 mod_firewall: Add rate limiting capabilities, and keep zones and throttle objects in shared tables
Matthew Wild <mwild1@gmail.com>
parents: 968
diff changeset
217
2107
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
218 function condition_handlers.ORIGIN_MARKED(name_and_time)
2127
59023dffbdd4 mod_firewall: Allow underscore in mark names (thanks Ge0rG)
Matthew Wild <mwild1@gmail.com>
parents: 2125
diff changeset
219 local name, time = name_and_time:match("^%s*([%w_]+)%s+%(([^)]+)s%)%s*$");
2107
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
220 if not name then
2127
59023dffbdd4 mod_firewall: Allow underscore in mark names (thanks Ge0rG)
Matthew Wild <mwild1@gmail.com>
parents: 2125
diff changeset
221 name = name_and_time:match("^%s*([%w_]+)%s*$");
2107
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
222 end
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
223 if not name then
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
224 error("Error parsing mark name, see documentation for usage examples");
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
225 end
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
226 if time then
2116
2bb42ba342f3 mod_firewall: Fix usage of incorrect variable current_time in ORIGIN_MARKED condition (thanks Ge0rG)
Matthew Wild <mwild1@gmail.com>
parents: 2109
diff changeset
227 return ("(current_timestamp - (session.firewall_marked_%s or 0)) < %d"):format(idsafe(name), tonumber(time)), { "timestamp" };
2107
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
228 end
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
229 return ("not not session.firewall_marked_"..idsafe(name));
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
230 end
f445f43b9ba1 mod_firewall: Add support for session marking (MARK_ORIGIN, UNMARK_ORIGIN, ORIGIN_MARKED)
Matthew Wild <mwild1@gmail.com>
parents: 2075
diff changeset
231
947
c91cac3b823f mod_firewall: General stanza filtering plugin with a declarative rule-based syntax
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
232 return condition_handlers;