Mercurial > xmpp-capscan / file comparison
comparison: capscan.lua
capscan.lua
- changeset 0
- d17a1b659852
- child 1
- ce892ac8bec2
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| -1:000000000000 | 0:d17a1b659852 |
|---|---|
| 1 require "verse" | |
| 2 require "verse.client" | |
| 3 local array = require "array"; | |
| 4 local calculate_hash = require "caps".calculate_hash; | |
| 5 | |
| 6 -- Configurable: | |
| 7 local jid, pass = arg[1], nil; | |
| 8 --- -- -- -- --- | |
| 9 | |
| 10 local escape_table = { ["'"] = "'", ["\""] = """, ["<"] = "<", [">"] = ">", ["&"] = "&" }; | |
| 11 local function escape(str) return (string.gsub(str, "['&<>\"]", escape_table)); end | |
| 12 | |
| 13 local xmlns_caps = "http://jabber.org/protocol/caps"; | |
| 14 local xmlns_disco = "http://jabber.org/protocol/disco#info"; | |
| 15 | |
| 16 if not pass then | |
| 17 io.write("Password (not blanked): "); | |
| 18 pass = io.read("*l"); | |
| 19 end | |
| 20 | |
| 21 local conn = verse.new(verse.logger()); | |
| 22 | |
| 23 conn:add_plugin("version"); | |
| 24 | |
| 25 conn:connect_client(jid, pass); | |
| 26 | |
| 27 local contacts = {}; | |
| 28 | |
| 29 conn:hook("ready", function () | |
| 30 conn:hook("presence", function (presence) | |
| 31 if contacts[presence.attr.from] then return; end; | |
| 32 | |
| 33 local contact = { jid = presence.attr.from }; | |
| 34 contacts[contact.jid] = contact; | |
| 35 | |
| 36 local caps_tag = presence:get_child("c", xmlns_caps); | |
| 37 if not caps_tag then | |
| 38 conn:debug("No caps from %s: %s", presence.attr.from, tostring(presence)); | |
| 39 return; | |
| 40 end | |
| 41 | |
| 42 contact.hash_type = caps_tag.attr.hash; | |
| 43 contact.ver = caps_tag.attr.ver; | |
| 44 contact.node = caps_tag.attr.node; | |
| 45 | |
| 46 local node_string = contact.node.."#"..contact.ver; | |
| 47 | |
| 48 conn:query_version(contact.jid, function (version) | |
| 49 contact.version = ("%s%s%s"):format( | |
| 50 version.name or "[no name]", | |
| 51 version.version and (" "..version.version) or "", | |
| 52 version.platform and (" ("..version.platform..")") or "" | |
| 53 ); | |
| 54 end); | |
| 55 | |
| 56 conn:send_iq(verse.iq({ to = contact.jid, type = "get" }) | |
| 57 :tag("query", { xmlns = xmlns_disco, node = node_string }), | |
| 58 function (result) | |
| 59 if result.attr.type == "error" then | |
| 60 contact.error = { result:get_error() }; | |
| 61 return; | |
| 62 end | |
| 63 contact.calculated_ver, contact.calculated_S | |
| 64 = calculate_hash(result.tags[1]); | |
| 65 if contact.calculated_ver ~= contact.ver then | |
| 66 conn:warn("Invalid caps hash: %s", contact.jid); | |
| 67 conn:warn("Received: %s Calculated: %s", contact.ver, contact.calculated_ver); | |
| 68 conn:warn("Received stanza: %s", tostring(result)); | |
| 69 conn:warn("Calculated S: %s", contact.calculated_S); | |
| 70 else | |
| 71 conn:warn("Valid caps hash: %s", contact.jid); | |
| 72 end | |
| 73 end); | |
| 74 end, 1000); | |
| 75 conn:send(verse.presence():tag("priority"):text("-1")); | |
| 76 end); | |
| 77 | |
| 78 verse.loop(); | |
| 79 | |
| 80 --- Write report | |
| 81 | |
| 82 local report = io.open("report.html", "w+"); | |
| 83 report:write[[<html> | |
| 84 <head> | |
| 85 <title>]]; | |
| 86 report:write("Entity capabilities validity for contacts of ", jid); | |
| 87 report:write[[</head> | |
| 88 <body> | |
| 89 ]]; | |
| 90 | |
| 91 report:write[[<style type="text/css"> | |
| 92 .good-hash { background-color: #33aa33; } | |
| 93 .bad-hash { background-color: #aa3333; } | |
| 94 .no-hash { background-color: #ffffff; } | |
| 95 .unknown-hash { background-color: #aaaa33; } | |
| 96 </style> | |
| 97 ]] | |
| 98 | |
| 99 | |
| 100 local contact_jids = array.collect(keys(contacts)):sort(); | |
| 101 | |
| 102 report:write("<h1>Entity capabilities report for contacts of ", jid, "</h1>\n"); | |
| 103 report:write("<p>", tostring(#contact_jids), " contacts</p>\n"); | |
| 104 | |
| 105 local function write_section(title, jids, show) | |
| 106 report:write("\n<h1>", title, "</h1>\n"); | |
| 107 report:write("<p>", tostring(#jids), " contacts</p>\n"); | |
| 108 report:write("<ul>\n"); | |
| 109 for _, jid in ipairs(jids) do | |
| 110 local contact = contacts[jid]; | |
| 111 local client_link = (" <a href='%s'>%s</a>"):format( | |
| 112 escape(contacts[jid].node or "#"), | |
| 113 escape(contacts[jid].version or "Unknown client") | |
| 114 ); | |
| 115 report:write(" <li>", escape(jid), client_link); | |
| 116 | |
| 117 if show then | |
| 118 report:write("\n <ul>\n"); | |
| 119 for _, field in ipairs(show) do | |
| 120 local friendly_field = field:gsub("^.", string.upper):gsub("_", " "); | |
| 121 local value = escape(contacts[jid][field] or ""); | |
| 122 report:write((" "):rep(12), "<li>", friendly_field, ": ", value, "</li>\n"); | |
| 123 end | |
| 124 report:write(" </ul>\n"); | |
| 125 end | |
| 126 | |
| 127 report:write("</li>\n"); | |
| 128 end | |
| 129 report:write("</ul>\n"); | |
| 130 end | |
| 131 | |
| 132 local function no_caps_filter(jid) | |
| 133 return not contacts[jid].ver; | |
| 134 end | |
| 135 | |
| 136 local function legacy_caps_filter(jid) | |
| 137 return contacts[jid].ver and not contacts[jid].hash_type; | |
| 138 end | |
| 139 | |
| 140 local function valid_caps_filter(jid) | |
| 141 return not(legacy_caps_filter(jid)) | |
| 142 and (contacts[jid].ver == contacts[jid].calculated_ver); | |
| 143 end | |
| 144 | |
| 145 local function invalid_caps_filter(jid) | |
| 146 return not(legacy_caps_filter(jid)) and not(no_caps_filter(jid)) and not(valid_caps_filter(jid)); | |
| 147 end | |
| 148 | |
| 149 write_section("Valid caps", array.filter(contact_jids, valid_caps_filter)); | |
| 150 write_section("Invalid caps", array.filter(contact_jids, invalid_caps_filter), { "ver", "calculated_ver", "calculated_S" }); | |
| 151 write_section("No caps", array.filter(contact_jids, no_caps_filter)); | |
| 152 write_section("Legacy caps", array.filter(contact_jids, legacy_caps_filter), { "ver" }); | |
| 153 | |
| 154 report:write("</body></html>"); |
