diff options
Diffstat (limited to 'modules')
25 files changed, 2035 insertions, 828 deletions
diff --git a/modules/luci-base/luasrc/dispatcher.lua b/modules/luci-base/luasrc/dispatcher.lua index 0cb3e7020..795b62bed 100644 --- a/modules/luci-base/luasrc/dispatcher.lua +++ b/modules/luci-base/luasrc/dispatcher.lua @@ -1,7 +1,6 @@ -- Copyright 2008 Steven Barth <steven@midlink.org> -- Licensed to the public under the Apache License 2.0. ---- LuCI web dispatcher. local fs = require "nixio.fs" local sys = require "luci.sys" local util = require "luci.util" @@ -23,9 +22,6 @@ local index = nil local fi ---- Build the URL relative to the server webroot from given virtual path. --- @param ... Virtual path --- @return Relative URL function build_url(...) local path = {...} local url = { http.getenv("SCRIPT_NAME") or "" } @@ -49,9 +45,6 @@ function build_url(...) return table.concat(url, "") end ---- Check whether a dispatch node shall be visible --- @param node Dispatch node --- @return Boolean indicating whether the node should be visible function node_visible(node) if node then return not ( @@ -64,9 +57,6 @@ function node_visible(node) return false end ---- Return a sorted table of visible childs within a given node --- @param node Dispatch node --- @return Ordered table of child node names function node_childs(node) local rv = { } if node then @@ -86,9 +76,6 @@ function node_childs(node) end ---- Send a 404 error code and render the "error404" template if available. --- @param message Custom error message (optional) --- @return false function error404(message) http.status(404, "Not Found") message = message or "Not Found" @@ -101,9 +88,6 @@ function error404(message) return false end ---- Send a 500 error code and render the "error500" template if available. --- @param message Custom error message (optional)# --- @return false function error500(message) util.perror(message) if not context.template_header_sent then @@ -144,8 +128,6 @@ function authenticator.htmlauth(validator, accs, default) end ---- Dispatch an HTTP request. --- @param request LuCI HTTP Request object function httpdispatch(request, prefix) http.context.request = request @@ -184,8 +166,6 @@ function httpdispatch(request, prefix) --context._disable_memtrace() end ---- Dispatches a LuCI virtual path. --- @param request Virtual path function dispatch(request) --context._disable_memtrace = require "luci.debug".trap_memtrace("l") local ctx = context @@ -453,7 +433,6 @@ function dispatch(request) end end ---- Generate the dispatching index using the native file-cache based strategy. function createindex() local controllers = { } local base = "%s/controller/" % util.libpath() @@ -517,7 +496,6 @@ function createindex() end end ---- Create the dispatching tree from the index. -- Build the index before if it does not exist yet. function createtree() if not index then @@ -556,9 +534,6 @@ function createtree() return tree end ---- Register a tree modifier. --- @param func Modifier function --- @param order Modifier order value (optional) function modifier(func, order) context.modifiers[#context.modifiers+1] = { func = func, @@ -568,12 +543,6 @@ function modifier(func, order) } end ---- Clone a node of the dispatching tree to another position. --- @param path Virtual path destination --- @param clone Virtual path source --- @param title Destination node title (optional) --- @param order Destination node order value (optional) --- @return Dispatching tree node function assign(path, clone, title, order) local obj = node(unpack(path)) obj.nodes = nil @@ -587,12 +556,6 @@ function assign(path, clone, title, order) return obj end ---- Create a new dispatching node and define common parameters. --- @param path Virtual path --- @param target Target function to call when dispatched. --- @param title Destination node title --- @param order Destination node order value (optional) --- @return Dispatching tree node function entry(path, target, title, order) local c = node(unpack(path)) @@ -604,17 +567,11 @@ function entry(path, target, title, order) return c end ---- Fetch or create a dispatching node without setting the target module or -- enabling the node. --- @param ... Virtual path --- @return Dispatching tree node function get(...) return _create_node({...}) end ---- Fetch or create a new dispatching node. --- @param ... Virtual path --- @return Dispatching tree node function node(...) local c = _create_node({...}) @@ -674,13 +631,10 @@ function _firstchild() dispatch(path) end ---- Alias the first (lowest order) page automatically function firstchild() return { type = "firstchild", target = _firstchild } end ---- Create a redirect to another dispatching node. --- @param ... Virtual path destination function alias(...) local req = {...} return function(...) @@ -692,9 +646,6 @@ function alias(...) end end ---- Rewrite the first x path values of the request. --- @param n Number of path values to replace --- @param ... Virtual path to replace removed path values with function rewrite(n, ...) local req = {...} return function(...) @@ -733,9 +684,6 @@ local function _call(self, ...) end end ---- Create a function-call dispatching target. --- @param name Target function of local controller --- @param ... Additional parameters passed to the function function call(name, ...) return {type = "call", argv = {...}, name = name, target = _call} end @@ -745,8 +693,6 @@ local _template = function(self, ...) require "luci.template".render(self.view) end ---- Create a template render dispatching target. --- @param name Template to be rendered function template(name) return {type = "template", view = name, target = _template} end @@ -852,8 +798,6 @@ local function _cbi(self, ...) end end ---- Create a CBI model dispatching target. --- @param model CBI model to be rendered function cbi(model, config) return {type = "cbi", config = config, model = model, target = _cbi} end @@ -866,9 +810,6 @@ local function _arcombine(self, ...) target:target(unpack(argv)) end ---- Create a combined dispatching target for non argv and argv requests. --- @param trg1 Overview Target --- @param trg2 Detail Target function arcombine(trg1, trg2) return {type = "arcombine", env = getfenv(), target = _arcombine, targets = {trg1, trg2}} end @@ -897,19 +838,12 @@ local function _form(self, ...) tpl.render("footer") end ---- Create a CBI form model dispatching target. --- @param model CBI form model tpo be rendered function form(model) return {type = "cbi", model = model, target = _form} end ---- Access the luci.i18n translate() api. --- @class function --- @name translate --- @param text Text to translate translate = i18n.translate ---- No-op function used to mark translation entries for menu labels. -- This function does not actually translate the given argument but -- is used by build/i18n-scan.pl to find translatable entries. function _(text) diff --git a/modules/luci-base/luasrc/dispatcher.luadoc b/modules/luci-base/luasrc/dispatcher.luadoc new file mode 100644 index 000000000..743463c74 --- /dev/null +++ b/modules/luci-base/luasrc/dispatcher.luadoc @@ -0,0 +1,220 @@ +---[[ +LuCI web dispatcher. +]] +module "luci.dispatcher" + +---[[ +Build the URL relative to the server webroot from given virtual path. + +@class function +@name build_url +@param ... Virtual path +@return Relative URL +]] + +---[[ +Check whether a dispatch node shall be visible + +@class function +@name node_visible +@param node Dispatch node +@return Boolean indicating whether the node should be visible +]] + +---[[ +Return a sorted table of visible childs within a given node + +@class function +@name node_childs +@param node Dispatch node +@return Ordered table of child node names +]] + +---[[ +Send a 404 error code and render the "error404" template if available. + +@class function +@name error404 +@param message Custom error message (optional) +@return false +]] + +---[[ +Send a 500 error code and render the "error500" template if available. + +@class function +@name error500 +@param message Custom error message (optional)# +@return false +]] + +---[[ +Dispatch an HTTP request. + +@class function +@name httpdispatch +@param request LuCI HTTP Request object +]] + +---[[ +Dispatches a LuCI virtual path. + +@class function +@name dispatch +@param request Virtual path +]] + +---[[ +Generate the dispatching index using the native file-cache based strategy. + + +@class function +@name createindex +]] + +---[[ +Create the dispatching tree from the index. + +Build the index before if it does not exist yet. + +@class function +@name createtree +]] + +---[[ +Register a tree modifier. + +@class function +@name modifier +@param func Modifier function +@param order Modifier order value (optional) +]] + +---[[ +Clone a node of the dispatching tree to another position. + +@class function +@name assign +@param path Virtual path destination +@param clone Virtual path source +@param title Destination node title (optional) +@param order Destination node order value (optional) +@return Dispatching tree node +]] + +---[[ +Create a new dispatching node and define common parameters. + +@class function +@name entry +@param path Virtual path +@param target Target function to call when dispatched. +@param title Destination node title +@param order Destination node order value (optional) +@return Dispatching tree node +]] + +---[[ +Fetch or create a dispatching node without setting the target module or + +enabling the node. +@class function +@name get +@param ... Virtual path +@return Dispatching tree node +]] + +---[[ +Fetch or create a new dispatching node. + +@class function +@name node +@param ... Virtual path +@return Dispatching tree node +]] + +---[[ +Alias the first (lowest order) page automatically + + +@class function +@name firstchild +]] + +---[[ +Create a redirect to another dispatching node. + +@class function +@name alias +@param ... Virtual path destination +]] + +---[[ +Rewrite the first x path values of the request. + +@class function +@name rewrite +@param n Number of path values to replace +@param ... Virtual path to replace removed path values with +]] + +---[[ +Create a function-call dispatching target. + +@class function +@name call +@param name Target function of local controller +@param ... Additional parameters passed to the function +]] + +---[[ +Create a template render dispatching target. + +@class function +@name template +@param name Template to be rendered +]] + +---[[ +Create a CBI model dispatching target. + +@class function +@name cbi +@param model CBI model to be rendered +]] + +---[[ +Create a combined dispatching target for non argv and argv requests. + +@class function +@name arcombine +@param trg1 Overview Target +@param trg2 Detail Target +]] + +---[[ +Create a CBI form model dispatching target. + +@class function +@name form +@param model CBI form model tpo be rendered +]] + +---[[ +Access the luci.i18n translate() api. + +@class function +@name translate +@param text Text to translate +]] + +---[[ +No-op function used to mark translation entries for menu labels. + +This function does not actually translate the given argument but +is used by build/i18n-scan.pl to find translatable entries. + +@class function +@name _ +]] + diff --git a/modules/luci-base/luasrc/http.lua b/modules/luci-base/luasrc/http.lua index 5e1d73e3a..a92d8affb 100644 --- a/modules/luci-base/luasrc/http.lua +++ b/modules/luci-base/luasrc/http.lua @@ -11,7 +11,6 @@ local table = require "table" local ipairs, pairs, next, type, tostring, error = ipairs, pairs, next, type, tostring, error ---- LuCI Web Framework high-level HTTP functions. module "luci.http" context = util.threadlocal() @@ -101,7 +100,6 @@ function Request._parse_input(self) self.parsed_input = true end ---- Close the HTTP-Connection. function close() if not context.eoh then context.eoh = true @@ -114,52 +112,31 @@ function close() end end ---- Return the request content if the request was of unknown type. --- @return HTTP request body --- @return HTTP request body length function content() return context.request:content() end ---- Get a certain HTTP input value or a table of all input values. --- @param name Name of the GET or POST variable to fetch --- @param noparse Don't parse POST data before getting the value --- @return HTTP input value or table of all input value function formvalue(name, noparse) return context.request:formvalue(name, noparse) end ---- Get a table of all HTTP input values with a certain prefix. --- @param prefix Prefix --- @return Table of all HTTP input values with given prefix function formvaluetable(prefix) return context.request:formvaluetable(prefix) end ---- Get the value of a certain HTTP-Cookie. --- @param name Cookie Name --- @return String containing cookie data function getcookie(name) return context.request:getcookie(name) end ---- Get the value of a certain HTTP environment variable -- or the environment table itself. --- @param name Environment variable --- @return HTTP environment value or environment table function getenv(name) return context.request:getenv(name) end ---- Set a handler function for incoming user file uploads. --- @param callback Handler function function setfilehandler(callback) return context.request:setfilehandler(callback) end ---- Send a HTTP-Header. --- @param key Header key --- @param value Header value function header(key, value) if not context.headers then context.headers = {} @@ -168,8 +145,6 @@ function header(key, value) coroutine.yield(2, key, value) end ---- Set the mime type of following content data. --- @param mime Mimetype of following content function prepare_content(mime) if not context.headers or not context.headers["content-type"] then if mime == "application/xhtml+xml" then @@ -183,15 +158,10 @@ function prepare_content(mime) end end ---- Get the RAW HTTP input source --- @return HTTP LTN12 source function source() return context.request.input end ---- Set the HTTP status code and status message. --- @param code Status code --- @param message Status message function status(code, message) code = code or 200 message = message or "OK" @@ -199,12 +169,8 @@ function status(code, message) coroutine.yield(1, code, message) end ---- Send a chunk of content data to the client. -- This function is as a valid LTN12 sink. -- If the content chunk is nil this function will automatically invoke close. --- @param content Content chunk --- @param src_err Error object from source (optional) --- @see close function write(content, src_err) if not content then if src_err then @@ -237,24 +203,16 @@ function write(content, src_err) end end ---- Splice data from a filedescriptor to the client. --- @param fp File descriptor --- @param size Bytes to splice (optional) function splice(fd, size) coroutine.yield(6, fd, size) end ---- Redirects the client to a new URL and closes the connection. --- @param url Target URL function redirect(url) status(302, "Found") header("Location", url) close() end ---- Create a querystring out of a table of key - value pairs. --- @param table Query string source table --- @return Encoded HTTP query string function build_querystring(q) local s = { "?" } @@ -269,21 +227,10 @@ function build_querystring(q) return table.concat(s, "") end ---- Return the URL-decoded equivalent of a string. --- @param str URL-encoded string --- @param no_plus Don't decode + to " " --- @return URL-decoded string --- @see urlencode urldecode = protocol.urldecode ---- Return the URL-encoded equivalent of a string. --- @param str Source string --- @return URL-encoded string --- @see urldecode urlencode = protocol.urlencode ---- Send the given data as JSON encoded string. --- @param data Data to send function write_json(x) util.serialize_json(x, write) end diff --git a/modules/luci-base/luasrc/http.luadoc b/modules/luci-base/luasrc/http.luadoc new file mode 100644 index 000000000..4e31216a1 --- /dev/null +++ b/modules/luci-base/luasrc/http.luadoc @@ -0,0 +1,166 @@ +---[[ +LuCI Web Framework high-level HTTP functions. + +module "luci.http" +]] + +---[[ +Close the HTTP-Connection. + + +@class function +@name close +]] + +---[[ +Return the request content if the request was of unknown type. + +@class function +@name content +@return HTTP request body +@return HTTP request body length +]] + +---[[ +Get a certain HTTP input value or a table of all input values. + +@class function +@name formvalue +@param name Name of the GET or POST variable to fetch +@param noparse Don't parse POST data before getting the value +@return HTTP input value or table of all input value +]] + +---[[ +Get a table of all HTTP input values with a certain prefix. + +@class function +@name formvaluetable +@param prefix Prefix +@return Table of all HTTP input values with given prefix +]] + +---[[ +Get the value of a certain HTTP-Cookie. + +@class function +@name getcookie +@param name Cookie Name +@return String containing cookie data +]] + +---[[ +Get the value of a certain HTTP environment variable + +or the environment table itself. +@class function +@name getenv +@param name Environment variable +@return HTTP environment value or environment table +]] + +---[[ +Set a handler function for incoming user file uploads. + +@class function +@name setfilehandler +@param callback Handler function +]] + +---[[ +Send a HTTP-Header. + +@class function +@name header +@param key Header key +@param value Header value +]] + +---[[ +Set the mime type of following content data. + +@class function +@name prepare_content +@param mime Mimetype of following content +]] + +---[[ +Get the RAW HTTP input source + +@class function +@name source +@return HTTP LTN12 source +]] + +---[[ +Set the HTTP status code and status message. + +@class function +@name status +@param code Status code +@param message Status message +]] + +---[[ +Send a chunk of content data to the client. + +This function is as a valid LTN12 sink. +If the content chunk is nil this function will automatically invoke close. +@class function +@name write +@param content Content chunk +@param src_err Error object from source (optional) +@see close +]] + +---[[ +Splice data from a filedescriptor to the client. + +@class function +@name splice +@param fp File descriptor +@param size Bytes to splice (optional) +]] + +---[[ +Redirects the client to a new URL and closes the connection. + +@class function +@name redirect +@param url Target URL +]] + +---[[ +Create a querystring out of a table of key - value pairs. + +@class function +@name build_querystring +@param table Query string source table +@return Encoded HTTP query string +]] + +---[[ +Return the URL-decoded equivalent of a string. + +@param str URL-encoded string +@param no_plus Don't decode + to " " +@return URL-decoded string +@see urlencode +]] + +---[[ +Return the URL-encoded equivalent of a string. + +@param str Source string +@return URL-encoded string +@see urldecode +]] + +---[[ +Send the given data as JSON encoded string. + +@class function +@name write_json +@param data Data to send +]] + diff --git a/modules/luci-base/luasrc/http/protocol.lua b/modules/luci-base/luasrc/http/protocol.lua index aeb7ea621..e9efb44cf 100644 --- a/modules/luci-base/luasrc/http/protocol.lua +++ b/modules/luci-base/luasrc/http/protocol.lua @@ -1,7 +1,6 @@ -- Copyright 2008 Freifunk Leipzig / Jo-Philipp Wich <jow@openwrt.org> -- Licensed to the public under the Apache License 2.0. ---- LuCI http protocol class. -- This class contains several functions useful for http message- and content -- decoding and to retrive form data from raw http messages. module("luci.http.protocol", package.seeall) @@ -10,12 +9,7 @@ local ltn12 = require("luci.ltn12") HTTP_MAX_CONTENT = 1024*8 -- 8 kB maximum content size ---- Decode an urlencoded string - optionally without decoding -- the "+" sign to " " - and return the decoded string. --- @param str Input string in x-www-urlencoded format --- @param no_plus Don't decode "+" signs to spaces --- @return The decoded string --- @see urlencode function urldecode( str, no_plus ) local function __chrdec( hex ) @@ -33,15 +27,10 @@ function urldecode( str, no_plus ) return str end ---- Extract and split urlencoded data pairs, separated bei either "&" or ";" -- from given url or string. Returns a table with urldecoded values. -- Simple parameters are stored as string values associated with the parameter -- name within the table. Parameters with multiple values are stored as array -- containing the corresponding values. --- @param url The url or string which contains x-www-urlencoded form data --- @param tbl Use the given table for storing values (optional) --- @return Table containing the urldecoded parameters --- @see urlencode_params function urldecode_params( url, tbl ) local params = tbl or { } @@ -73,10 +62,6 @@ function urldecode_params( url, tbl ) return params end ---- Encode given string to x-www-urlencoded format. --- @param str String to encode --- @return String containing the encoded data --- @see urldecode function urlencode( str ) local function __chrenc( chr ) @@ -95,12 +80,8 @@ function urlencode( str ) return str end ---- Encode each key-value-pair in given table to x-www-urlencoded format, -- separated by "&". Tables are encoded as parameters with multiple values by -- repeating the parameter name with each value. --- @param tbl Table with the values --- @return String containing encoded values --- @see urldecode_params function urlencode_params( tbl ) local enc = "" @@ -122,9 +103,6 @@ end -- (Internal function) -- Initialize given parameter and coerce string into table when the parameter -- already exists. --- @param tbl Table where parameter should be created --- @param key Parameter name --- @return Always nil local function __initval( tbl, key ) if tbl[key] == nil then tbl[key] = "" @@ -138,11 +116,6 @@ end -- (Internal function) -- Append given data to given parameter, either by extending the string value -- or by appending it to the last string in the parameter's value table. --- @param tbl Table containing the previously initialized parameter value --- @param key Parameter name --- @param chunk String containing the data to append --- @return Always nil --- @see __initval local function __appendval( tbl, key, chunk ) if type(tbl[key]) == "table" then tbl[key][#tbl[key]] = tbl[key][#tbl[key]] .. chunk @@ -155,12 +128,6 @@ end -- Finish the value of given parameter, either by transforming the string value -- or - in the case of multi value parameters - the last element in the -- associated values table. --- @param tbl Table containing the previously initialized parameter value --- @param key Parameter name --- @param handler Function which transforms the parameter value --- @return Always nil --- @see __initval --- @see __appendval local function __finishval( tbl, key, handler ) if handler then if type(tbl[key]) == "table" then @@ -259,10 +226,7 @@ process_states['headers'] = function( msg, chunk ) end ---- Creates a ltn12 source from the given socket. The source will return it's -- data line by line with the trailing \r\n stripped of. --- @param sock Readable network socket --- @return Ltn12 source function function header_source( sock ) return ltn12.source.simplify( function() @@ -289,7 +253,6 @@ function header_source( sock ) end ) end ---- Decode a mime encoded http message body with multipart/form-data -- Content-Type. Stores all extracted data associated with its parameter name -- in the params table withing the given message object. Multiple parameter -- values are stored as tables, ordinary ones as strings. @@ -300,12 +263,6 @@ end -- o Table containing decoded (name, file) and raw (headers) mime header data -- o String value containing a chunk of the file data -- o Boolean which indicates wheather the current chunk is the last one (eof) --- @param src Ltn12 source function --- @param msg HTTP message object --- @param filecb File callback function (optional) --- @return Value indicating successful operation (not nil means "ok") --- @return String containing the error if unsuccessful --- @see parse_message_header function mimedecode_message_body( src, msg, filecb ) if msg and msg.env.CONTENT_TYPE then @@ -449,15 +406,9 @@ function mimedecode_message_body( src, msg, filecb ) return ltn12.pump.all( src, snk ) end ---- Decode an urlencoded http message body with application/x-www-urlencoded -- Content-Type. Stores all extracted data associated with its parameter name -- in the params table withing the given message object. Multiple parameter -- values are stored as tables, ordinary ones as strings. --- @param src Ltn12 source function --- @param msg HTTP message object --- @return Value indicating successful operation (not nil means "ok") --- @return String containing the error if unsuccessful --- @see parse_message_header function urldecode_message_body( src, msg ) local tlen = 0 @@ -507,12 +458,8 @@ function urldecode_message_body( src, msg ) return ltn12.pump.all( src, snk ) end ---- Try to extract an http message header including information like protocol -- version, message headers and resulting CGI environment variables from the -- given ltn12 source. --- @param src Ltn12 source function --- @return HTTP message object --- @see parse_message_body function parse_message_header( src ) local ok = true @@ -582,19 +529,12 @@ function parse_message_header( src ) return msg end ---- Try to extract and decode a http message body from the given ltn12 source. -- This function will examine the Content-Type within the given message object -- to select the appropriate content decoder. -- Currently the application/x-www-urlencoded and application/form-data -- mime types are supported. If the encountered content encoding can't be -- handled then the whole message body will be stored unaltered as "content" -- property within the given message object. --- @param src Ltn12 source function --- @param msg HTTP message object --- @param filecb File data callback (optional, see mimedecode_message_body()) --- @return Value indicating successful operation (not nil means "ok") --- @return String containing the error if unsuccessful --- @see parse_message_header function parse_message_body( src, msg, filecb ) -- Is it multipart/mime ? if msg.env.REQUEST_METHOD == "POST" and msg.env.CONTENT_TYPE and @@ -655,8 +595,6 @@ function parse_message_body( src, msg, filecb ) end end ---- Table containing human readable messages for several http status codes. --- @class table statusmsg = { [200] = "OK", [206] = "Partial Content", diff --git a/modules/luci-base/luasrc/http/protocol.luadoc b/modules/luci-base/luasrc/http/protocol.luadoc new file mode 100644 index 000000000..67a60d9e7 --- /dev/null +++ b/modules/luci-base/luasrc/http/protocol.luadoc @@ -0,0 +1,142 @@ +---[[ +LuCI http protocol class. + +This class contains several functions useful for http message- and content +decoding and to retrive form data from raw http messages. +]] +module "luci.http.protocol" + +---[[ +Decode an urlencoded string - optionally without decoding + +the "+" sign to " " - and return the decoded string. +@class function +@name urldecode +@param str Input string in x-www-urlencoded format +@param no_plus Don't decode "+" signs to spaces +@return The decoded string +@see urlencode +]] + +---[[ +Extract and split urlencoded data pairs, separated bei either "&" or ";" + +from given url or string. Returns a table with urldecoded values. +Simple parameters are stored as string values associated with the parameter +name within the table. Parameters with multiple values are stored as array +containing the corresponding values. +@class function +@name urldecode_params +@param url The url or string which contains x-www-urlencoded form data +@param tbl Use the given table for storing values (optional) +@return Table containing the urldecoded parameters +@see urlencode_params +]] + +---[[ +Encode given string to x-www-urlencoded format. + +@class function +@name urlencode +@param str String to encode +@return String containing the encoded data +@see urldecode +]] + +---[[ +Encode each key-value-pair in given table to x-www-urlencoded format, + +separated by "&". Tables are encoded as parameters with multiple values by +repeating the parameter name with each value. +@class function +@name urlencode_params +@param tbl Table with the values +@return String containing encoded values +@see urldecode_params +]] + +---[[ +Creates a ltn12 source from the given socket. The source will return it's + +data line by line with the trailing \r\n stripped of. +@class function +@name header_source +@param sock Readable network socket +@return Ltn12 source function +]] + +---[[ +Decode a mime encoded http message body with multipart/form-data + +Content-Type. Stores all extracted data associated with its parameter name +in the params table withing the given message object. Multiple parameter +values are stored as tables, ordinary ones as strings. +If an optional file callback function is given then it is feeded with the +file contents chunk by chunk and only the extracted file name is stored +within the params table. The callback function will be called subsequently +with three arguments: + o Table containing decoded (name, file) and raw (headers) mime header data + o String value containing a chunk of the file data + o Boolean which indicates wheather the current chunk is the last one (eof) +@class function +@name mimedecode_message_body +@param src Ltn12 source function +@param msg HTTP message object +@param filecb File callback function (optional) +@return Value indicating successful operation (not nil means "ok") +@return String containing the error if unsuccessful +@see parse_message_header +]] + +---[[ +Decode an urlencoded http message body with application/x-www-urlencoded + +Content-Type. Stores all extracted data associated with its parameter name +in the params table withing the given message object. Multiple parameter +values are stored as tables, ordinary ones as strings. +@class function +@name urldecode_message_body +@param src Ltn12 source function +@param msg HTTP message object +@return Value indicating successful operation (not nil means "ok") +@return String containing the error if unsuccessful +@see parse_message_header +]] + +---[[ +Try to extract an http message header including information like protocol + +version, message headers and resulting CGI environment variables from the +given ltn12 source. +@class function +@name parse_message_header +@param src Ltn12 source function +@return HTTP message object +@see parse_message_body +]] + +---[[ +Try to extract and decode a http message body from the given ltn12 source. + +This function will examine the Content-Type within the given message object +to select the appropriate content decoder. +Currently the application/x-www-urlencoded and application/form-data +mime types are supported. If the encountered content encoding can't be +handled then the whole message body will be stored unaltered as "content" +property within the given message object. +@class function +@name parse_message_body +@param src Ltn12 source function +@param msg HTTP message object +@param filecb File data callback (optional, see mimedecode_message_body()) +@return Value indicating successful operation (not nil means "ok") +@return String containing the error if unsuccessful +@see parse_message_header +]] + +---[[ +Table containing human readable messages for several http status codes. + +@class table +]] + diff --git a/modules/luci-base/luasrc/http/protocol/conditionals.lua b/modules/luci-base/luasrc/http/protocol/conditionals.lua index 1d40425ff..d31a4e38a 100644 --- a/modules/luci-base/luasrc/http/protocol/conditionals.lua +++ b/modules/luci-base/luasrc/http/protocol/conditionals.lua @@ -1,7 +1,6 @@ -- Copyright 2008 Freifunk Leipzig / Jo-Philipp Wich <jow@openwrt.org> -- Licensed to the public under the Apache License 2.0. ---- LuCI http protocol implementation - HTTP/1.1 bits. -- This class provides basic ETag handling and implements most of the -- conditional HTTP/1.1 headers specified in RFC2616 Sct. 14.24 - 14.28 . module("luci.http.protocol.conditionals", package.seeall) @@ -9,22 +8,14 @@ module("luci.http.protocol.conditionals", package.seeall) local date = require("luci.http.protocol.date") ---- Implement 14.19 / ETag. --- @param stat A file.stat structure --- @return String containing the generated tag suitable for ETag headers function mk_etag( stat ) if stat ~= nil then return string.format( '"%x-%x-%x"', stat.ino, stat.size, stat.mtime ) end end ---- 14.24 / If-Match -- Test whether the given message object contains an "If-Match" header and -- compare it against the given stat object. --- @param req HTTP request message object --- @param stat A file.stat object --- @return Boolean indicating whether the precondition is ok --- @return Alternative status code if the precondition failed function if_match( req, stat ) local h = req.headers local etag = mk_etag( stat ) @@ -43,14 +34,8 @@ function if_match( req, stat ) return true end ---- 14.25 / If-Modified-Since -- Test whether the given message object contains an "If-Modified-Since" header -- and compare it against the given stat object. --- @param req HTTP request message object --- @param stat A file.stat object --- @return Boolean indicating whether the precondition is ok --- @return Alternative status code if the precondition failed --- @return Table containing extra HTTP headers if the precondition failed function if_modified_since( req, stat ) local h = req.headers @@ -72,14 +57,8 @@ function if_modified_since( req, stat ) return true end ---- 14.26 / If-None-Match -- Test whether the given message object contains an "If-None-Match" header and -- compare it against the given stat object. --- @param req HTTP request message object --- @param stat A file.stat object --- @return Boolean indicating whether the precondition is ok --- @return Alternative status code if the precondition failed --- @return Table containing extra HTTP headers if the precondition failed function if_none_match( req, stat ) local h = req.headers local etag = mk_etag( stat ) @@ -105,26 +84,16 @@ function if_none_match( req, stat ) return true end ---- 14.27 / If-Range -- The If-Range header is currently not implemented due to the lack of general -- byte range stuff in luci.http.protocol . This function will always return -- false, 412 to indicate a failed precondition. --- @param req HTTP request message object --- @param stat A file.stat object --- @return Boolean indicating whether the precondition is ok --- @return Alternative status code if the precondition failed function if_range( req, stat ) -- Sorry, no subranges (yet) return false, 412 end ---- 14.28 / If-Unmodified-Since -- Test whether the given message object contains an "If-Unmodified-Since" -- header and compare it against the given stat object. --- @param req HTTP request message object --- @param stat A file.stat object --- @return Boolean indicating whether the precondition is ok --- @return Alternative status code if the precondition failed function if_unmodified_since( req, stat ) local h = req.headers diff --git a/modules/luci-base/luasrc/http/protocol/conditionals.luadoc b/modules/luci-base/luasrc/http/protocol/conditionals.luadoc new file mode 100644 index 000000000..9cfe02dd5 --- /dev/null +++ b/modules/luci-base/luasrc/http/protocol/conditionals.luadoc @@ -0,0 +1,85 @@ +---[[ +LuCI http protocol implementation - HTTP/1.1 bits. + +This class provides basic ETag handling and implements most of the +conditional HTTP/1.1 headers specified in RFC2616 Sct. 14.24 - 14.28 . +]] +module "luci.http.protocol.conditionals" + +---[[ +Implement 14.19 / ETag. + +@class function +@name mk_etag +@param stat A file.stat structure +@return String containing the generated tag suitable for ETag headers +]] + +---[[ +14.24 / If-Match + +Test whether the given message object contains an "If-Match" header and +compare it against the given stat object. +@class function +@name if_match +@param req HTTP request message object +@param stat A file.stat object +@return Boolean indicating whether the precondition is ok +@return Alternative status code if the precondition failed +]] + +---[[ +14.25 / If-Modified-Since + +Test whether the given message object contains an "If-Modified-Since" header +and compare it against the given stat object. +@class function +@name if_modified_since +@param req HTTP request message object +@param stat A file.stat object +@return Boolean indicating whether the precondition is ok +@return Alternative status code if the precondition failed +@return Table containing extra HTTP headers if the precondition failed +]] + +---[[ +14.26 / If-None-Match + +Test whether the given message object contains an "If-None-Match" header and +compare it against the given stat object. +@class function +@name if_none_match +@param req HTTP request message object +@param stat A file.stat object +@return Boolean indicating whether the precondition is ok +@return Alternative status code if the precondition failed +@return Table containing extra HTTP headers if the precondition failed +]] + +---[[ +14.27 / If-Range + +The If-Range header is currently not implemented due to the lack of general +byte range stuff in luci.http.protocol . This function will always return +false, 412 to indicate a failed precondition. +@class function +@name if_range +@param req HTTP request message object +@param stat A file.stat object +@return Boolean indicating whether the precondition is ok +@return Alternative status code if the precondition failed +]] + +---[[ +14.28 / If-Unmodified-Since + +Test whether the given message object contains an "If-Unmodified-Since" +header and compare it against the given stat object. +@class function +@name if_unmodified_since +@param req HTTP request message object +@param stat A file.stat object +@return Boolean indicating whether the precondition is ok +@return Alternative status code if the precondition failed +]] + diff --git a/modules/luci-base/luasrc/http/protocol/date.lua b/modules/luci-base/luasrc/http/protocol/date.lua index 3105f37f6..e440219a9 100644 --- a/modules/luci-base/luasrc/http/protocol/date.lua +++ b/modules/luci-base/luasrc/http/protocol/date.lua @@ -1,7 +1,6 @@ -- Copyright 2008 Freifunk Leipzig / Jo-Philipp Wich <jow@openwrt.org> -- Licensed to the public under the Apache License 2.0. ---- LuCI http protocol implementation - date helper class. -- This class contains functions to parse, compare and format http dates. module("luci.http.protocol.date", package.seeall) @@ -13,9 +12,6 @@ MONTHS = { "Sep", "Oct", "Nov", "Dec" } ---- Return the time offset in seconds between the UTC and given time zone. --- @param tz Symbolic or numeric timezone specifier --- @return Time offset to UTC in seconds function tz_offset(tz) if type(tz) == "string" then @@ -39,9 +35,6 @@ function tz_offset(tz) return 0 end ---- Parse given HTTP date string and convert it to unix epoch time. --- @param data String containing the date --- @return Unix epoch time function to_unix(date) local wd, day, mon, yr, hr, min, sec, tz = date:match( @@ -75,19 +68,10 @@ function to_unix(date) return 0 end ---- Convert the given unix epoch time to valid HTTP date string. --- @param time Unix epoch time --- @return String containing the formatted date function to_http(time) return os.date( "%a, %d %b %Y %H:%M:%S GMT", time ) end ---- Compare two dates which can either be unix epoch times or HTTP date strings. --- @param d1 The first date or epoch time to compare --- @param d2 The first date or epoch time to compare --- @return -1 - if d1 is lower then d2 --- @return 0 - if both dates are equal --- @return 1 - if d1 is higher then d2 function compare(d1, d2) if d1:match("[^0-9]") then d1 = to_unix(d1) end diff --git a/modules/luci-base/luasrc/http/protocol/date.luadoc b/modules/luci-base/luasrc/http/protocol/date.luadoc new file mode 100644 index 000000000..d6f1c8d65 --- /dev/null +++ b/modules/luci-base/luasrc/http/protocol/date.luadoc @@ -0,0 +1,46 @@ +---[[ +LuCI http protocol implementation - date helper class. + +This class contains functions to parse, compare and format http dates. +]] +module "luci.http.protocol.date" + +---[[ +Return the time offset in seconds between the UTC and given time zone. + +@class function +@name tz_offset +@param tz Symbolic or numeric timezone specifier +@return Time offset to UTC in seconds +]] + +---[[ +Parse given HTTP date string and convert it to unix epoch time. + +@class function +@name to_unix +@param data String containing the date +@return Unix epoch time +]] + +---[[ +Convert the given unix epoch time to valid HTTP date string. + +@class function +@name to_http +@param time Unix epoch time +@return String containing the formatted date +]] + +---[[ +Compare two dates which can either be unix epoch times or HTTP date strings. + +@class function +@name compare +@param d1 The first date or epoch time to compare +@param d2 The first date or epoch time to compare +@return -1 - if d1 is lower then d2 +@return 0 - if both dates are equal +@return 1 - if d1 is higher then d2 +]] + diff --git a/modules/luci-base/luasrc/http/protocol/mime.lua b/modules/luci-base/luasrc/http/protocol/mime.lua index 15da15cf8..2b99d8e74 100644 --- a/modules/luci-base/luasrc/http/protocol/mime.lua +++ b/modules/luci-base/luasrc/http/protocol/mime.lua @@ -1,15 +1,12 @@ -- Copyright 2008 Freifunk Leipzig / Jo-Philipp Wich <jow@openwrt.org> -- Licensed to the public under the Apache License 2.0. ---- LuCI http protocol implementation - mime helper class. -- This class provides functions to guess mime types from file extensions and -- vice versa. module("luci.http.protocol.mime", package.seeall) require("luci.util") ---- MIME mapping table containg extension - mimetype relations. --- @class table MIME_TYPES = { ["txt"] = "text/plain"; ["js"] = "text/javascript"; @@ -54,10 +51,7 @@ MIME_TYPES = { ["avi"] = "video/x-msvideo"; } ---- Extract extension from a filename and return corresponding mime-type or -- "application/octet-stream" if the extension is unknown. --- @param filename The filename for which the mime type is guessed --- @return String containign the determined mime type function to_mime(filename) if type(filename) == "string" then local ext = filename:match("[^%.]+$") @@ -70,10 +64,7 @@ function to_mime(filename) return "application/octet-stream" end ---- Return corresponding extension for a given mime type or nil if the -- given mime-type is unknown. --- @param mimetype The mimetype to retrieve the extension from --- @return String with the extension or nil for unknown type function to_ext(mimetype) if type(mimetype) == "string" then for ext, type in luci.util.kspairs( MIME_TYPES ) do diff --git a/modules/luci-base/luasrc/http/protocol/mime.luadoc b/modules/luci-base/luasrc/http/protocol/mime.luadoc new file mode 100644 index 000000000..195b5fcc8 --- /dev/null +++ b/modules/luci-base/luasrc/http/protocol/mime.luadoc @@ -0,0 +1,34 @@ +---[[ +LuCI http protocol implementation - mime helper class. + +This class provides functions to guess mime types from file extensions and +vice versa. +]] +module "luci.http.protocol.mime" + +---[[ +MIME mapping table containg extension - mimetype relations. + +@class table +]] + +---[[ +Extract extension from a filename and return corresponding mime-type or + +"application/octet-stream" if the extension is unknown. +@class function +@name to_mime +@param filename The filename for which the mime type is guessed +@return String containign the determined mime type +]] + +---[[ +Return corresponding extension for a given mime type or nil if the + +given mime-type is unknown. +@class function +@name to_ext +@param mimetype The mimetype to retrieve the extension from +@return String with the extension or nil for unknown type +]] + diff --git a/modules/luci-base/luasrc/i18n.lua b/modules/luci-base/luasrc/i18n.lua index dd84a59f8..bcb16d5c0 100644 --- a/modules/luci-base/luasrc/i18n.lua +++ b/modules/luci-base/luasrc/i18n.lua @@ -1,7 +1,6 @@ -- Copyright 2008 Steven Barth <steven@midlink.org> -- Licensed to the public under the Apache License 2.0. ---- LuCI translation library. module("luci.i18n", package.seeall) require("luci.util") @@ -13,27 +12,16 @@ loaded = {} context = luci.util.threadlocal() default = "en" ---- Clear the translation table. function clear() end ---- Load a translation and copy its data into the translation table. --- @param file Language file --- @param lang Two-letter language code --- @param force Force reload even if already loaded (optional) --- @return Success status function load(file, lang, force) end ---- Load a translation file using the default translation language. -- Alternatively load the translation of the fallback language. --- @param file Language file --- @param force Force reload even if already loaded (optional) function loadc(file, force) end ---- Set the context default translation language. --- @param lang Two-letter language code function setlanguage(lang) context.lang = lang:gsub("_", "-") context.parent = (context.lang:match("^([a-z][a-z])_")) @@ -46,36 +34,22 @@ function setlanguage(lang) return context.lang end ---- Return the translated value for a specific translation key. --- @param key Default translation text --- @return Translated string function translate(key) return tparser.translate(key) or key end ---- Return the translated value for a specific translation key and use it as sprintf pattern. --- @param key Default translation text --- @param ... Format parameters --- @return Translated and formatted string function translatef(key, ...) return tostring(translate(key)):format(...) end ---- Return the translated value for a specific translation key -- and ensure that the returned value is a Lua string value. -- This is the same as calling <code>tostring(translate(...))</code> --- @param key Default translation text --- @return Translated string function string(key) return tostring(translate(key)) end ---- Return the translated value for a specific translation key and use it as sprintf pattern. -- Ensure that the returned value is a Lua string value. -- This is the same as calling <code>tostring(translatef(...))</code> --- @param key Default translation text --- @param ... Format parameters --- @return Translated and formatted string function stringf(key, ...) return tostring(translate(key)):format(...) end diff --git a/modules/luci-base/luasrc/i18n.luadoc b/modules/luci-base/luasrc/i18n.luadoc new file mode 100644 index 000000000..aa38841e1 --- /dev/null +++ b/modules/luci-base/luasrc/i18n.luadoc @@ -0,0 +1,84 @@ +---[[ +LuCI translation library. +]] +module "luci.i18n" + +---[[ +Clear the translation table. + + +@class function +@name clear +]] + +---[[ +Load a translation and copy its data into the translation table. + +@class function +@name load +@param file Language file +@param lang Two-letter language code +@param force Force reload even if already loaded (optional) +@return Success status +]] + +---[[ +Load a translation file using the default translation language. + +Alternatively load the translation of the fallback language. +@class function +@name loadc +@param file Language file +@param force Force reload even if already loaded (optional) +]] + +---[[ +Set the context default translation language. + +@class function +@name setlanguage +@param lang Two-letter language code +]] + +---[[ +Return the translated value for a specific translation key. + +@class function +@name translate +@param key Default translation text +@return Translated string +]] + +---[[ +Return the translated value for a specific translation key and use it as sprintf pattern. + +@class function +@name translatef +@param key Default translation text +@param ... Format parameters +@return Translated and formatted string +]] + +---[[ +Return the translated value for a specific translation key + +and ensure that the returned value is a Lua string value. +This is the same as calling <code>tostring(translate(...))</code> +@class function +@name string +@param key Default translation text +@return Translated string +]] + +---[[ +Return the translated value for a specific translation key and use it as sprintf pattern. + +Ensure that the returned value is a Lua string value. +This is the same as calling <code>tostring(translatef(...))</code> +@class function +@name stringf +@param key Default translation text +@param ... Format parameters +@return Translated and formatted string +]] + diff --git a/modules/luci-base/luasrc/ltn12.lua b/modules/luci-base/luasrc/ltn12.lua index b59fb8c48..3a7268cca 100644 --- a/modules/luci-base/luasrc/ltn12.lua +++ b/modules/luci-base/luasrc/ltn12.lua @@ -39,7 +39,6 @@ local string = require("string") local table = require("table") local base = _G ---- Diego Nehab's LTN12 - Filters, sources, sinks and pumps. -- See http://lua-users.org/wiki/FiltersSourcesAndSinks for design concepts module("luci.ltn12") @@ -56,16 +55,8 @@ _VERSION = "LTN12 1.0.1" -- Filter stuff ----------------------------------------------------------------------------- ---- LTN12 Filter constructors --- @class module --- @name luci.ltn12.filter ---- Return a high level filter that cycles a low-level filter -- by passing it each chunk and updating a context between calls. --- @param low Low-level filter --- @param ctx Context --- @param extra Extra argument passed to the low-level filter --- @return LTN12 filter function filter.cycle(low, ctx, extra) base.assert(low) return function(chunk) @@ -75,10 +66,7 @@ function filter.cycle(low, ctx, extra) end end ---- Chain a bunch of filters together. -- (thanks to Wim Couwenberg) --- @param ... filters to be chained --- @return LTN12 filter function filter.chain(...) local n = table.getn(arg) local top, index = 1, 1 @@ -112,34 +100,22 @@ end -- Source stuff ----------------------------------------------------------------------------- ---- LTN12 Source constructors --- @class module --- @name luci.ltn12.source -- create an empty source local function empty() return nil end ---- Create an empty source. --- @return LTN12 source function source.empty() return empty end ---- Return a source that just outputs an error. --- @param err Error object --- @return LTN12 source function source.error(err) return function() return nil, err end end ---- Create a file source. --- @param handle File handle ready for reading --- @param io_err IO error object --- @return LTN12 source function source.file(handle, io_err) if handle then return function() @@ -151,9 +127,6 @@ function source.file(handle, io_err) else return source.error(io_err or "unable to open file") end end ---- Turn a fancy source into a simple source. --- @param src fancy source --- @return LTN12 source function source.simplify(src) base.assert(src) return function() @@ -164,9 +137,6 @@ function source.simplify(src) end end ---- Create a string source. --- @param s Data --- @return LTN12 source function source.string(s) if s then local i = 1 @@ -179,9 +149,6 @@ function source.string(s) else return source.empty() end end ---- Creates rewindable source. --- @param src LTN12 source to be made rewindable --- @return LTN12 source function source.rewind(src) base.assert(src) local t = {} @@ -196,10 +163,6 @@ function source.rewind(src) end end ---- Chain a source and a filter together. --- @param src LTN12 source --- @param f LTN12 filter --- @return LTN12 source function source.chain(src, f) base.assert(src and f) local last_in, last_out = "", "" @@ -247,11 +210,8 @@ function source.chain(src, f) end end ---- Create a source that produces contents of several sources. -- Sources will be used one after the other, as if they were concatenated -- (thanks to Wim Couwenberg) --- @param ... LTN12 sources --- @return LTN12 source function source.cat(...) local src = table.remove(arg, 1) return function() @@ -268,13 +228,7 @@ end -- Sink stuff ----------------------------------------------------------------------------- ---- LTN12 sink constructors --- @class module --- @name luci.ltn12.sink ---- Create a sink that stores into a table. --- @param t output table to store into --- @return LTN12 sink function sink.table(t) t = t or {} local f = function(chunk, err) @@ -284,9 +238,6 @@ function sink.table(t) return f, t end ---- Turn a fancy sink into a simple sink. --- @param snk fancy sink --- @return LTN12 sink function sink.simplify(snk) base.assert(snk) return function(chunk, err) @@ -297,10 +248,6 @@ function sink.simplify(snk) end end ---- Create a file sink. --- @param handle file handle to write to --- @param io_err IO error --- @return LTN12 sink function sink.file(handle, io_err) if handle then return function(chunk, err) @@ -317,25 +264,16 @@ local function null() return 1 end ---- Create a sink that discards data. --- @return LTN12 sink function sink.null() return null end ---- Create a sink that just returns an error. --- @param err Error object --- @return LTN12 sink function sink.error(err) return function() return nil, err end end ---- Chain a sink with a filter. --- @param f LTN12 filter --- @param snk LTN12 sink --- @return LTN12 sink function sink.chain(f, snk) base.assert(f and snk) return function(chunk, err) @@ -356,15 +294,7 @@ end -- Pump stuff ----------------------------------------------------------------------------- ---- LTN12 pump functions --- @class module --- @name luci.ltn12.pump ---- Pump one chunk from the source to the sink. --- @param src LTN12 source --- @param snk LTN12 sink --- @return Chunk of data or nil if an error occured --- @return Error object function pump.step(src, snk) local chunk, src_err = src() local ret, snk_err = snk(chunk, src_err) @@ -372,12 +302,6 @@ function pump.step(src, snk) else return nil, src_err or snk_err end end ---- Pump all data from a source to a sink, using a step function. --- @param src LTN12 source --- @param snk LTN12 sink --- @param step step function (optional) --- @return 1 if the operation succeeded otherwise nil --- @return Error object function pump.all(src, snk, step) base.assert(src and snk) step = step or pump.step diff --git a/modules/luci-base/luasrc/model/ipkg.lua b/modules/luci-base/luasrc/model/ipkg.lua index 216caa5cc..587637272 100644 --- a/modules/luci-base/luasrc/model/ipkg.lua +++ b/modules/luci-base/luasrc/model/ipkg.lua @@ -15,7 +15,6 @@ local table = table local ipkg = "opkg --force-removal-of-dependent-packages --force-overwrite --nocase" local icfg = "/etc/opkg.conf" ---- LuCI OPKG call abstraction library module "luci.model.ipkg" @@ -93,54 +92,31 @@ local function _lookup(act, pkg) end ---- Return information about installed and available packages. --- @param pkg Limit output to a (set of) packages --- @return Table containing package information function info(pkg) return _lookup("info", pkg) end ---- Return the package status of one or more packages. --- @param pkg Limit output to a (set of) packages --- @return Table containing package status information function status(pkg) return _lookup("status", pkg) end ---- Install one or more packages. --- @param ... List of packages to install --- @return Boolean indicating the status of the action --- @return OPKG return code, STDOUT and STDERR function install(...) return _action("install", ...) end ---- Determine whether a given package is installed. --- @param pkg Package --- @return Boolean function installed(pkg) local p = status(pkg)[pkg] return (p and p.Status and p.Status.installed) end ---- Remove one or more packages. --- @param ... List of packages to install --- @return Boolean indicating the status of the action --- @return OPKG return code, STDOUT and STDERR function remove(...) return _action("remove", ...) end ---- Update package lists. --- @return Boolean indicating the status of the action --- @return OPKG return code, STDOUT and STDERR function update() return _action("update") end ---- Upgrades all installed packages. --- @return Boolean indicating the status of the action --- @return OPKG return code, STDOUT and STDERR function upgrade() return _action("upgrade") end @@ -174,33 +150,19 @@ function _list(action, pat, cb) end end ---- List all packages known to opkg. --- @param pat Only find packages matching this pattern, nil lists all packages --- @param cb Callback function invoked for each package, receives name, version and description as arguments --- @return nothing function list_all(pat, cb) _list("list", pat, cb) end ---- List installed packages. --- @param pat Only find packages matching this pattern, nil lists all packages --- @param cb Callback function invoked for each package, receives name, version and description as arguments --- @return nothing function list_installed(pat, cb) _list("list_installed", pat, cb) end ---- Find packages that match the given pattern. --- @param pat Find packages whose names or descriptions match this pattern, nil results in zero results --- @param cb Callback function invoked for each patckage, receives name, version and description as arguments --- @return nothing function find(pat, cb) _list("find", pat, cb) end ---- Determines the overlay root used by opkg. --- @return String containing the directory path of the overlay root. function overlay_root() local od = "/" local fd = io.open(icfg, "r") diff --git a/modules/luci-base/luasrc/model/ipkg.luadoc b/modules/luci-base/luasrc/model/ipkg.luadoc new file mode 100644 index 000000000..cf0985f94 --- /dev/null +++ b/modules/luci-base/luasrc/model/ipkg.luadoc @@ -0,0 +1,109 @@ +---[[ +LuCI OPKG call abstraction library + +module "luci.model.ipkg" +]] + +---[[ +Return information about installed and available packages. + +@class function +@name info +@param pkg Limit output to a (set of) packages +@return Table containing package information +]] + +---[[ +Return the package status of one or more packages. + +@class function +@name status +@param pkg Limit output to a (set of) packages +@return Table containing package status information +]] + +---[[ +Install one or more packages. + +@class function +@name install +@param ... List of packages to install +@return Boolean indicating the status of the action +@return OPKG return code, STDOUT and STDERR +]] + +---[[ +Determine whether a given package is installed. + +@class function +@name installed +@param pkg Package +@return Boolean +]] + +---[[ +Remove one or more packages. + +@class function +@name remove +@param ... List of packages to install +@return Boolean indicating the status of the action +@return OPKG return code, STDOUT and STDERR +]] + +---[[ +Update package lists. + +@class function +@name update +@return Boolean indicating the status of the action +@return OPKG return code, STDOUT and STDERR +]] + +---[[ +Upgrades all installed packages. + +@class function +@name upgrade +@return Boolean indicating the status of the action +@return OPKG return code, STDOUT and STDERR +]] + +---[[ +List all packages known to opkg. + +@class function +@name list_all +@param pat Only find packages matching this pattern, nil lists all packages +@param cb Callback function invoked for each package, receives name, version and description as arguments +@return nothing +]] + +---[[ +List installed packages. + +@class function +@name list_installed +@param pat Only find packages matching this pattern, nil lists all packages +@param cb Callback function invoked for each package, receives name, version and description as arguments +@return nothing +]] + +---[[ +Find packages that match the given pattern. + +@class function +@name find +@param pat Find packages whose names or descriptions match this pattern, nil results in zero results +@param cb Callback function invoked for each patckage, receives name, version and description as arguments +@return nothing +]] + +---[[ +Determines the overlay root used by opkg. + +@class function +@name overlay_root +@return String containing the directory path of the overlay root. +]] + diff --git a/modules/luci-base/luasrc/model/uci.lua b/modules/luci-base/luasrc/model/uci.lua index 8ac82773f..165913774 100644 --- a/modules/luci-base/luasrc/model/uci.lua +++ b/modules/luci-base/luasrc/model/uci.lua @@ -12,26 +12,18 @@ local require, getmetatable = require, getmetatable local error, pairs, ipairs = error, pairs, ipairs local type, tostring, tonumber, unpack = type, tostring, tonumber, unpack ---- LuCI UCI model library. -- The typical workflow for UCI is: Get a cursor instance from the -- cursor factory, modify data (via Cursor.add, Cursor.delete, etc.), -- save the changes to the staging area via Cursor.save and finally -- Cursor.commit the data to the actual config files. -- LuCI then needs to Cursor.apply the changes so deamons etc. are -- reloaded. --- @cstyle instance module "luci.model.uci" ---- Create a new UCI-Cursor. --- @class function --- @name cursor --- @return UCI-Cursor cursor = uci.cursor APIVERSION = uci.APIVERSION ---- Create a new Cursor initialized to the state directory. --- @return UCI cursor function cursor_state() return cursor(nil, "/var/state") end @@ -42,9 +34,6 @@ inst_state = cursor_state() local Cursor = getmetatable(inst) ---- Applies UCI configuration changes --- @param configlist List of UCI configurations --- @param command Don't apply only return the command function Cursor.apply(self, configlist, command) configlist = self:_affected(configlist) if command then @@ -56,10 +45,6 @@ function Cursor.apply(self, configlist, command) end ---- Delete all sections of a given type that match certain criteria. --- @param config UCI config --- @param type UCI section type --- @param comparator Function that will be called for each section and -- returns a boolean whether to delete the current section (optional) function Cursor.delete_all(self, config, stype, comparator) local del = {} @@ -90,12 +75,6 @@ function Cursor.delete_all(self, config, stype, comparator) end end ---- Create a new section and initialize it with data. --- @param config UCI config --- @param type UCI section type --- @param name UCI section name (optional) --- @param values Table of key - value pairs to initialize the section with --- @return Name of created section function Cursor.section(self, config, type, name, values) local stat = true if name then @@ -112,10 +91,6 @@ function Cursor.section(self, config, type, name, values) return stat and name end ---- Updated the data of a section using data from a table. --- @param config UCI config --- @param section UCI section name (optional) --- @param values Table of key - value pairs to update the section with function Cursor.tset(self, config, section, values) local stat = true for k, v in pairs(values) do @@ -126,21 +101,11 @@ function Cursor.tset(self, config, section, values) return stat end ---- Get a boolean option and return it's value as true or false. --- @param config UCI config --- @param section UCI section name --- @param option UCI option --- @return Boolean function Cursor.get_bool(self, ...) local val = self:get(...) return ( val == "1" or val == "true" or val == "yes" or val == "on" ) end ---- Get an option or list and return values as table. --- @param config UCI config --- @param section UCI section name --- @param option UCI option --- @return UCI value function Cursor.get_list(self, config, section, option) if config and section and option then local val = self:get(config, section, option) @@ -149,12 +114,6 @@ function Cursor.get_list(self, config, section, option) return nil end ---- Get the given option from the first section with the given type. --- @param config UCI config --- @param type UCI section type --- @param option UCI option (optional) --- @param default Default value (optional) --- @return UCI value function Cursor.get_first(self, conf, stype, opt, def) local rv = def @@ -178,12 +137,6 @@ function Cursor.get_first(self, conf, stype, opt, def) return rv end ---- Set given values as list. --- @param config UCI config --- @param section UCI section name --- @param option UCI option --- @param value UCI value --- @return Boolean whether operation succeeded function Cursor.set_list(self, config, section, option, value) if config and section and option then return self:set( @@ -238,10 +191,8 @@ function Cursor._affected(self, configlist) return reloadlist end ---- Create a sub-state of this cursor. The sub-state is tied to the parent -- curser, means it the parent unloads or loads configs, the sub state will -- do so as well. --- @return UCI state cursor tied to the parent cursor function Cursor.substate(self) Cursor._substates = Cursor._substates or { } Cursor._substates[self] = Cursor._substates[self] or cursor_state() @@ -265,118 +216,18 @@ function Cursor.unload(self, ...) end ---- Add an anonymous section. --- @class function --- @name Cursor.add --- @param config UCI config --- @param type UCI section type --- @return Name of created section - ---- Get a table of saved but uncommitted changes. --- @class function --- @name Cursor.changes --- @param config UCI config --- @return Table of changes --- @see Cursor.save - ---- Commit saved changes. --- @class function --- @name Cursor.commit --- @param config UCI config --- @return Boolean whether operation succeeded --- @see Cursor.revert --- @see Cursor.save - ---- Deletes a section or an option. --- @class function --- @name Cursor.delete --- @param config UCI config --- @param section UCI section name --- @param option UCI option (optional) --- @return Boolean whether operation succeeded - ---- Call a function for every section of a certain type. --- @class function --- @name Cursor.foreach --- @param config UCI config --- @param type UCI section type --- @param callback Function to be called --- @return Boolean whether operation succeeded - ---- Get a section type or an option --- @class function --- @name Cursor.get --- @param config UCI config --- @param section UCI section name --- @param option UCI option (optional) --- @return UCI value - ---- Get all sections of a config or all values of a section. --- @class function --- @name Cursor.get_all --- @param config UCI config --- @param section UCI section name (optional) --- @return Table of UCI sections or table of UCI values - ---- Manually load a config. --- @class function --- @name Cursor.load --- @param config UCI config --- @return Boolean whether operation succeeded --- @see Cursor.save --- @see Cursor.unload - ---- Revert saved but uncommitted changes. --- @class function --- @name Cursor.revert --- @param config UCI config --- @return Boolean whether operation succeeded --- @see Cursor.commit --- @see Cursor.save - ---- Saves changes made to a config to make them committable. --- @class function --- @name Cursor.save --- @param config UCI config --- @return Boolean whether operation succeeded --- @see Cursor.load --- @see Cursor.unload - ---- Set a value or create a named section. --- @class function --- @name Cursor.set --- @param config UCI config --- @param section UCI section name --- @param option UCI option or UCI section type --- @param value UCI value or nil if you want to create a section --- @return Boolean whether operation succeeded - ---- Get the configuration directory. --- @class function --- @name Cursor.get_confdir --- @return Configuration directory - ---- Get the directory for uncomitted changes. --- @class function --- @name Cursor.get_savedir --- @return Save directory - ---- Set the configuration directory. --- @class function --- @name Cursor.set_confdir --- @param directory UCI configuration directory --- @return Boolean whether operation succeeded - ---- Set the directory for uncommited changes. --- @class function --- @name Cursor.set_savedir --- @param directory UCI changes directory --- @return Boolean whether operation succeeded - ---- Discard changes made to a config. --- @class function --- @name Cursor.unload --- @param config UCI config --- @return Boolean whether operation succeeded --- @see Cursor.load --- @see Cursor.save + + + + + + + + + + + + + + + diff --git a/modules/luci-base/luasrc/model/uci.luadoc b/modules/luci-base/luasrc/model/uci.luadoc new file mode 100644 index 000000000..1c208669d --- /dev/null +++ b/modules/luci-base/luasrc/model/uci.luadoc @@ -0,0 +1,291 @@ +---[[ +LuCI UCI model library. + +The typical workflow for UCI is: Get a cursor instance from the +cursor factory, modify data (via Cursor.add, Cursor.delete, etc.), +save the changes to the staging area via Cursor.save and finally +Cursor.commit the data to the actual config files. +LuCI then needs to Cursor.apply the changes so deamons etc. are +reloaded. +@cstyle instance +module "luci.model.uci" +]] + +---[[ +Create a new UCI-Cursor. + +@class function +@name cursor +@return UCI-Cursor +]] + +---[[ +Create a new Cursor initialized to the state directory. + +@class function +@name cursor_state +@return UCI cursor +]] + +---[[ +Applies UCI configuration changes + +@class function +@name Cursor.apply +@param configlist List of UCI configurations +@param command Don't apply only return the command +]] + +---[[ +Delete all sections of a given type that match certain criteria. + +@class function +@name Cursor.delete_all +@param config UCI config +@param type UCI section type +@param comparator Function that will be called for each section and +returns a boolean whether to delete the current section (optional) +]] + +---[[ +Create a new section and initialize it with data. + +@class function +@name Cursor.section +@param config UCI config +@param type UCI section type +@param name UCI section name (optional) +@param values Table of key - value pairs to initialize the section with +@return Name of created section +]] + +---[[ +Updated the data of a section using data from a table. + +@class function +@name Cursor.tset +@param config UCI config +@param section UCI section name (optional) +@param values Table of key - value pairs to update the section with +]] + +---[[ +Get a boolean option and return it's value as true or false. + +@class function +@name Cursor.get_bool +@param config UCI config +@param section UCI section name +@param option UCI option +@return Boolean +]] + +---[[ +Get an option or list and return values as table. + +@class function +@name Cursor.get_list +@param config UCI config +@param section UCI section name +@param option UCI option +@return UCI value +]] + +---[[ +Get the given option from the first section with the given type. + +@class function +@name Cursor.get_first +@param config UCI config +@param type UCI section type +@param option UCI option (optional) +@param default Default value (optional) +@return UCI value +]] + +---[[ +Set given values as list. + +@class function +@name Cursor.set_list +@param config UCI config +@param section UCI section name +@param option UCI option +@param value UCI value +@return Boolean whether operation succeeded +]] + +---[[ +Create a sub-state of this cursor. The sub-state is tied to the parent + +curser, means it the parent unloads or loads configs, the sub state will +do so as well. +@class function +@name Cursor.substate +@return UCI state cursor tied to the parent cursor +]] + +---[[ +Add an anonymous section. + +@class function +@name Cursor.add +@param config UCI config +@param type UCI section type +@return Name of created section +]] + +---[[ +Get a table of saved but uncommitted changes. + +@class function +@name Cursor.changes +@param config UCI config +@return Table of changes +@see Cursor.save +]] + +---[[ +Commit saved changes. + +@class function +@name Cursor.commit +@param config UCI config +@return Boolean whether operation succeeded +@see Cursor.revert +@see Cursor.save +]] + +---[[ +Deletes a section or an option. + +@class function +@name Cursor.delete +@param config UCI config +@param section UCI section name +@param option UCI option (optional) +@return Boolean whether operation succeeded +]] + +---[[ +Call a function for every section of a certain type. + +@class function +@name Cursor.foreach +@param config UCI config +@param type UCI section type +@param callback Function to be called +@return Boolean whether operation succeeded +]] + +---[[ +Get a section type or an option + +@class function +@name Cursor.get +@param config UCI config +@param section UCI section name +@param option UCI option (optional) +@return UCI value +]] + +---[[ +Get all sections of a config or all values of a section. + +@class function +@name Cursor.get_all +@param config UCI config +@param section UCI section name (optional) +@return Table of UCI sections or table of UCI values +]] + +---[[ +Manually load a config. + +@class function +@name Cursor.load +@param config UCI config +@return Boolean whether operation succeeded +@see Cursor.save +@see Cursor.unload +]] + +---[[ +Revert saved but uncommitted changes. + +@class function +@name Cursor.revert +@param config UCI config +@return Boolean whether operation succeeded +@see Cursor.commit +@see Cursor.save +]] + +---[[ +Saves changes made to a config to make them committable. + +@class function +@name Cursor.save +@param config UCI config +@return Boolean whether operation succeeded +@see Cursor.load +@see Cursor.unload +]] + +---[[ +Set a value or create a named section. + +@class function +@name Cursor.set +@param config UCI config +@param section UCI section name +@param option UCI option or UCI section type +@param value UCI value or nil if you want to create a section +@return Boolean whether operation succeeded +]] + +---[[ +Get the configuration directory. + +@class function +@name Cursor.get_confdir +@return Configuration directory +]] + +---[[ +Get the directory for uncomitted changes. + +@class function +@name Cursor.get_savedir +@return Save directory +]] + +---[[ +Set the configuration directory. + +@class function +@name Cursor.set_confdir +@param directory UCI configuration directory +@return Boolean whether operation succeeded +]] + +---[[ +Set the directory for uncommited changes. + +@class function +@name Cursor.set_savedir +@param directory UCI changes directory +@return Boolean whether operation succeeded +]] + +---[[ +Discard changes made to a config. + +@class function +@name Cursor.unload +@param config UCI config +@return Boolean whether operation succeeded +@see Cursor.load +@see Cursor.save +]] + diff --git a/modules/luci-base/luasrc/sys.lua b/modules/luci-base/luasrc/sys.lua index 584f76a08..3977da3ed 100644 --- a/modules/luci-base/luasrc/sys.lua +++ b/modules/luci-base/luasrc/sys.lua @@ -16,27 +16,14 @@ local tonumber, ipairs, pairs, pcall, type, next, setmetatable, require, select tonumber, ipairs, pairs, pcall, type, next, setmetatable, require, select ---- LuCI Linux and POSIX system utilities. module "luci.sys" ---- Execute a given shell command and return the error code --- @class function --- @name call --- @param ... Command to call --- @return Error code of the command function call(...) return os.execute(...) / 256 end ---- Execute a given shell command and capture its standard output --- @class function --- @name exec --- @param command Command to call --- @return String containg the return the output of the command exec = luci.util.exec ---- Retrieve information about currently mounted file systems. --- @return Table containing mount information function mounts() local data = {} local k = {"fs", "blocks", "used", "available", "percent", "mountpoint"} @@ -82,20 +69,11 @@ function mounts() return data end ---- Retrieve environment variables. If no variable is given then a table -- containing the whole environment is returned otherwise this function returns -- the corresponding string value for the given name or nil if no such variable -- exists. --- @class function --- @name getenv --- @param var Name of the environment variable to retrieve (optional) --- @return String containg the value of the specified variable --- @return Table containing all variables if no variable name is given getenv = nixio.getenv ---- Get or set the current hostname. --- @param String containing a new hostname to set (optional) --- @return String containing the system hostname function hostname(newname) if type(newname) == "string" and #newname > 0 then fs.writefile( "/proc/sys/kernel/hostname", newname ) @@ -105,11 +83,6 @@ function hostname(newname) end end ---- Returns the contents of a documented referred by an URL. --- @param url The URL to retrieve --- @param stream Return a stream instead of a buffer --- @param target Directly write to target file name --- @return String containing the contents of given the URL function httpget(url, stream, target) if not target then local source = stream and io.popen or luci.util.exec @@ -120,46 +93,30 @@ function httpget(url, stream, target) end end ---- Initiate a system reboot. --- @return Return value of os.execute() function reboot() return os.execute("reboot >/dev/null 2>&1") end ---- Retrieves the output of the "logread" command. --- @return String containing the current log buffer function syslog() return luci.util.exec("logread") end ---- Retrieves the output of the "dmesg" command. --- @return String containing the current log buffer function dmesg() return luci.util.exec("dmesg") end ---- Generates a random id with specified length. --- @param bytes Number of bytes for the unique id --- @return String containing hex encoded id function uniqueid(bytes) local rand = fs.readfile("/dev/urandom", bytes) return rand and nixio.bin.hexlify(rand) end ---- Returns the current system uptime stats. --- @return String containing total uptime in seconds function uptime() return nixio.sysinfo().uptime end ---- LuCI system utilities / network related functions. --- @class module --- @name luci.sys.net net = {} ---- Returns the current arp-table entries as two-dimensional table. --- @return Table of table containing the current arp entries. -- The following fields are defined for arp entry objects: -- { "IP address", "HW address", "HW type", "Flags", "Mask", "Device" } function net.arptable(callback) @@ -269,8 +226,6 @@ local function _nethints(what, callback) end end ---- Returns a two-dimensional table of mac address hints. --- @return Table of table containing known hosts from various sources. -- Each entry contains the values in the following order: -- [ "mac", "name" ] function net.mac_hints(callback) @@ -293,8 +248,6 @@ function net.mac_hints(callback) end end ---- Returns a two-dimensional table of IPv4 address hints. --- @return Table of table containing known hosts from various sources. -- Each entry contains the values in the following order: -- [ "ip", "name" ] function net.ipv4_hints(callback) @@ -317,8 +270,6 @@ function net.ipv4_hints(callback) end end ---- Returns a two-dimensional table of IPv6 address hints. --- @return Table of table containing known hosts from various sources. -- Each entry contains the values in the following order: -- [ "ip", "name" ] function net.ipv6_hints(callback) @@ -341,8 +292,6 @@ function net.ipv6_hints(callback) end end ---- Returns conntrack information --- @return Table with the currently tracked IP connections function net.conntrack(callback) local connt = {} if fs.access("/proc/net/nf_conntrack", "r") then @@ -387,8 +336,6 @@ function net.conntrack(callback) return connt end ---- Determine the names of available network interfaces. --- @return Table containing all current interface names function net.devices() local devs = {} for k, v in ipairs(nixio.getifaddrs()) do @@ -400,8 +347,6 @@ function net.devices() end ---- Return information about available network interfaces. --- @return Table containing all current interface names and their information function net.deviceinfo() local devs = {} for k, v in ipairs(nixio.getifaddrs()) do @@ -430,8 +375,6 @@ function net.deviceinfo() end ---- Returns the current kernel routing table entries. --- @return Table of tables with properties of the corresponding routes. -- The following fields are defined for route entry tables: -- { "dest", "gateway", "metric", "refcount", "usecount", "irtt", -- "flags", "device" } @@ -477,8 +420,6 @@ function net.routes(callback) return routes end ---- Returns the current ipv6 kernel routing table entries. --- @return Table of tables with properties of the corresponding routes. -- The following fields are defined for route entry tables: -- { "source", "dest", "nexthop", "metric", "refcount", "usecount", -- "flags", "device" } @@ -540,30 +481,18 @@ function net.routes6(callback) end end ---- Tests whether the given host responds to ping probes. --- @param host String containing a hostname or IPv4 address --- @return Number containing 0 on success and >= 1 on error function net.pingtest(host) return os.execute("ping -c1 '"..host:gsub("'", '').."' >/dev/null 2>&1") end ---- LuCI system utilities / process related functions. --- @class module --- @name luci.sys.process process = {} ---- Get the current process id. --- @class function --- @name process.info --- @return Number containing the current pid function process.info(key) local s = {uid = nixio.getuid(), gid = nixio.getgid()} return not key and s or s[key] end ---- Retrieve information about currently running processes. --- @return Table containing process information function process.list() local data = {} local k @@ -596,51 +525,22 @@ function process.list() return data end ---- Set the gid of a process identified by given pid. --- @param gid Number containing the Unix group id --- @return Boolean indicating successful operation --- @return String containing the error message if failed --- @return Number containing the error code if failed function process.setgroup(gid) return nixio.setgid(gid) end ---- Set the uid of a process identified by given pid. --- @param uid Number containing the Unix user id --- @return Boolean indicating successful operation --- @return String containing the error message if failed --- @return Number containing the error code if failed function process.setuser(uid) return nixio.setuid(uid) end ---- Send a signal to a process identified by given pid. --- @class function --- @name process.signal --- @param pid Number containing the process id --- @param sig Signal to send (default: 15 [SIGTERM]) --- @return Boolean indicating successful operation --- @return Number containing the error code if failed process.signal = nixio.kill ---- LuCI system utilities / user related functions. --- @class module --- @name luci.sys.user user = {} ---- Retrieve user informations for given uid. --- @class function --- @name getuser --- @param uid Number containing the Unix user id --- @return Table containing the following fields: -- { "uid", "gid", "name", "passwd", "dir", "shell", "gecos" } user.getuser = nixio.getpw ---- Retrieve the current user password hash. --- @param username String containing the username to retrieve the password for --- @return String containing the hash or nil if no password is set. --- @return Password database entry function user.getpasswd(username) local pwe = nixio.getsp and nixio.getsp(username) or nixio.getpw(username) local pwh = pwe and (pwe.pwdp or pwe.passwd) @@ -651,10 +551,6 @@ function user.getpasswd(username) end end ---- Test whether given string matches the password of a given system user. --- @param username String containing the Unix user name --- @param pass String containing the password to compare --- @return Boolean indicating wheather the passwords are equal function user.checkpasswd(username, pass) local pwh, pwe = user.getpasswd(username) if pwe then @@ -663,10 +559,6 @@ function user.checkpasswd(username, pass) return false end ---- Change the password of given user. --- @param username String containing the Unix user name --- @param password String containing the password to compare --- @return Number containing 0 on success and >= 1 on error function user.setpasswd(username, password) if password then password = password:gsub("'", [['"'"']]) @@ -683,14 +575,8 @@ function user.setpasswd(username, password) end ---- LuCI system utilities / wifi related functions. --- @class module --- @name luci.sys.wifi wifi = {} ---- Get wireless information for given interface. --- @param ifname String containing the interface name --- @return A wrapped iwinfo object instance function wifi.getiwinfo(ifname) local stat, iwinfo = pcall(require, "iwinfo") @@ -736,14 +622,9 @@ function wifi.getiwinfo(ifname) end ---- LuCI system utilities / init related functions. --- @class module --- @name luci.sys.init init = {} init.dir = "/etc/init.d/" ---- Get the names of all installed init scripts --- @return Table containing the names of all inistalled init scripts function init.names() local names = { } for name in fs.glob(init.dir.."*") do @@ -752,9 +633,6 @@ function init.names() return names end ---- Get the index of he given init script --- @param name Name of the init script --- @return Numeric index value function init.index(name) if fs.access(init.dir..name) then return call("env -i sh -c 'source %s%s enabled; exit ${START:-255}' >/dev/null" @@ -768,37 +646,22 @@ local function init_action(action, name) end end ---- Test whether the given init script is enabled --- @param name Name of the init script --- @return Boolean indicating whether init is enabled function init.enabled(name) return (init_action("enabled", name) == 0) end ---- Enable the given init script --- @param name Name of the init script --- @return Boolean indicating success function init.enable(name) return (init_action("enable", name) == 1) end ---- Disable the given init script --- @param name Name of the init script --- @return Boolean indicating success function init.disable(name) return (init_action("disable", name) == 0) end ---- Start the given init script --- @param name Name of the init script --- @return Boolean indicating success function init.start(name) return (init_action("start", name) == 0) end ---- Stop the given init script --- @param name Name of the init script --- @return Boolean indicating success function init.stop(name) return (init_action("stop", name) == 0) end diff --git a/modules/luci-base/luasrc/sys.luadoc b/modules/luci-base/luasrc/sys.luadoc new file mode 100644 index 000000000..72a16a1ab --- /dev/null +++ b/modules/luci-base/luasrc/sys.luadoc @@ -0,0 +1,396 @@ +---[[ +LuCI Linux and POSIX system utilities. + +module "luci.sys" +]] + +---[[ +Execute a given shell command and return the error code + +@class function +@name call +@param ... Command to call +@return Error code of the command +]] + +---[[ +Execute a given shell command and capture its standard output + +@class function +@name exec +@param command Command to call +@return String containg the return the output of the command +]] + +---[[ +Retrieve information about currently mounted file systems. + +@class function +@name mounts +@return Table containing mount information +]] + +---[[ +Retrieve environment variables. If no variable is given then a table + +containing the whole environment is returned otherwise this function returns +the corresponding string value for the given name or nil if no such variable +exists. +@class function +@name getenv +@param var Name of the environment variable to retrieve (optional) +@return String containg the value of the specified variable +@return Table containing all variables if no variable name is given +]] + +---[[ +Get or set the current hostname. + +@class function +@name hostname +@param String containing a new hostname to set (optional) +@return String containing the system hostname +]] + +---[[ +Returns the contents of a documented referred by an URL. + +@class function +@name httpget +@param url The URL to retrieve +@param stream Return a stream instead of a buffer +@param target Directly write to target file name +@return String containing the contents of given the URL +]] + +---[[ +Initiate a system reboot. + +@class function +@name reboot +@return Return value of os.execute() +]] + +---[[ +Retrieves the output of the "logread" command. + +@class function +@name syslog +@return String containing the current log buffer +]] + +---[[ +Retrieves the output of the "dmesg" command. + +@class function +@name dmesg +@return String containing the current log buffer +]] + +---[[ +Generates a random id with specified length. + +@class function +@name uniqueid +@param bytes Number of bytes for the unique id +@return String containing hex encoded id +]] + +---[[ +Returns the current system uptime stats. + +@class function +@name uptime +@return String containing total uptime in seconds +]] + +---[[ +LuCI system utilities / network related functions. + +@class module +@name luci.sys.net +]] + +---[[ +Returns the current arp-table entries as two-dimensional table. + +@class function +@name net.arptable +@return Table of table containing the current arp entries. +-- The following fields are defined for arp entry objects: +-- { "IP address", "HW address", "HW type", "Flags", "Mask", "Device" } +]] + +---[[ +Returns a two-dimensional table of mac address hints. + +@class function +@name net.mac_hints +@return Table of table containing known hosts from various sources. + Each entry contains the values in the following order: + [ "mac", "name" ] +]] + +---[[ +Returns a two-dimensional table of IPv4 address hints. + +@class function +@name net.ipv4_hints +@return Table of table containing known hosts from various sources. + Each entry contains the values in the following order: + [ "ip", "name" ] +]] + +---[[ +Returns a two-dimensional table of IPv6 address hints. + +@class function +@name net.ipv6_hints +@return Table of table containing known hosts from various sources. + Each entry contains the values in the following order: + [ "ip", "name" ] +]] + +---[[ +Returns conntrack information + +@class function +@name net.conntrack +@return Table with the currently tracked IP connections +]] + +---[[ +Determine the names of available network interfaces. + +@class function +@name net.devices +@return Table containing all current interface names +]] + +---[[ +Return information about available network interfaces. + +@class function +@name net.deviceinfo +@return Table containing all current interface names and their information +]] + +---[[ +Returns the current kernel routing table entries. + +@class function +@name net.routes +@return Table of tables with properties of the corresponding routes. +-- The following fields are defined for route entry tables: +-- { "dest", "gateway", "metric", "refcount", "usecount", "irtt", +-- "flags", "device" } +]] + +---[[ +Returns the current ipv6 kernel routing table entries. + +@class function +@name net.routes6 +@return Table of tables with properties of the corresponding routes. +-- The following fields are defined for route entry tables: +-- { "source", "dest", "nexthop", "metric", "refcount", "usecount", +-- "flags", "device" } +]] + +---[[ +Tests whether the given host responds to ping probes. + +@class function +@name net.pingtest +@param host String containing a hostname or IPv4 address +@return Number containing 0 on success and >= 1 on error +]] + +---[[ +LuCI system utilities / process related functions. + +@class module +@name luci.sys.process +]] + +---[[ +Get the current process id. + +@class function +@name process.info +@return Number containing the current pid +]] + +---[[ +Retrieve information about currently running processes. + +@class function +@name process.list +@return Table containing process information +]] + +---[[ +Set the gid of a process identified by given pid. + +@class function +@name process.setgroup +@param gid Number containing the Unix group id +@return Boolean indicating successful operation +@return String containing the error message if failed +@return Number containing the error code if failed +]] + +---[[ +Set the uid of a process identified by given pid. + +@class function +@name process.setuser +@param uid Number containing the Unix user id +@return Boolean indicating successful operation +@return String containing the error message if failed +@return Number containing the error code if failed +]] + +---[[ +Send a signal to a process identified by given pid. + +@class function +@name process.signal +@param pid Number containing the process id +@param sig Signal to send (default: 15 [SIGTERM]) +@return Boolean indicating successful operation +@return Number containing the error code if failed +]] + +---[[ +LuCI system utilities / user related functions. + +@class module +@name luci.sys.user +]] + +---[[ +Retrieve user informations for given uid. + +@class function +@name getuser +@param uid Number containing the Unix user id +@return Table containing the following fields: +-- { "uid", "gid", "name", "passwd", "dir", "shell", "gecos" } +]] + +---[[ +Retrieve the current user password hash. + +@class function +@name user.getpasswd +@param username String containing the username to retrieve the password for +@return String containing the hash or nil if no password is set. +@return Password database entry +]] + +---[[ +Test whether given string matches the password of a given system user. + +@class function +@name user.checkpasswd +@param username String containing the Unix user name +@param pass String containing the password to compare +@return Boolean indicating wheather the passwords are equal +]] + +---[[ +Change the password of given user. + +@class function +@name user.setpasswd +@param username String containing the Unix user name +@param password String containing the password to compare +@return Number containing 0 on success and >= 1 on error +]] + +---[[ +LuCI system utilities / wifi related functions. + +@class module +@name luci.sys.wifi +]] + +---[[ +Get wireless information for given interface. + +@class function +@name wifi.getiwinfo +@param ifname String containing the interface name +@return A wrapped iwinfo object instance +]] + +---[[ +LuCI system utilities / init related functions. + +@class module +@name luci.sys.init +]] + +---[[ +Get the names of all installed init scripts + +@class function +@name init.names +@return Table containing the names of all inistalled init scripts +]] + +---[[ +Get the index of he given init script + +@class function +@name init.index +@param name Name of the init script +@return Numeric index value +]] + +---[[ +Test whether the given init script is enabled + +@class function +@name init.enabled +@param name Name of the init script +@return Boolean indicating whether init is enabled +]] + +---[[ +Enable the given init script + +@class function +@name init.enable +@param name Name of the init script +@return Boolean indicating success +]] + +---[[ +Disable the given init script + +@class function +@name init.disable +@param name Name of the init script +@return Boolean indicating success +]] + +---[[ +Start the given init script + +@class function +@name init.start +@param name Name of the init script +@return Boolean indicating success +]] + +---[[ +Stop the given init script + +@class function +@name init.stop +@param name Name of the init script +@return Boolean indicating success +]] + diff --git a/modules/luci-base/luasrc/sys/iptparser.lua b/modules/luci-base/luasrc/sys/iptparser.lua index 6715937c6..2b81e0ee3 100644 --- a/modules/luci-base/luasrc/sys/iptparser.lua +++ b/modules/luci-base/luasrc/sys/iptparser.lua @@ -21,15 +21,8 @@ luci.ip = require "luci.ip" local tonumber, ipairs, table = tonumber, ipairs, table ---- LuCI iptables parser and query library --- @cstyle instance module("luci.sys.iptparser") ---- Create a new iptables parser object. --- @class function --- @name IptParser --- @param family Number specifying the address family. 4 for IPv4, 6 for IPv6 --- @return IptParser instance IptParser = luci.util.class() function IptParser.__init__( self, family ) @@ -50,7 +43,6 @@ function IptParser.__init__( self, family ) self:_parse_rules() end ---- Find all firewall rules that match the given criteria. Expects a table with -- search criteria as only argument. If args is nil or an empty table then all -- rules will be returned. -- @@ -108,8 +100,6 @@ end -- This will match all rules with target "-j REJECT", -- protocol "-p tcp" (or "-p all") -- and the option "--reject-with tcp-reset". --- @params args Table containing the search arguments (optional) --- @return Table of matching rule tables function IptParser.find( self, args ) local args = args or { } @@ -205,9 +195,7 @@ function IptParser.find( self, args ) end ---- Rebuild the internal lookup table, for example when rules have changed -- through external commands. --- @return nothing function IptParser.resync( self ) self._rules = { } self._chain = nil @@ -215,16 +203,11 @@ function IptParser.resync( self ) end ---- Find the names of all tables. --- @return Table of table names. function IptParser.tables( self ) return self._tables end ---- Find the names of all chains within the given table name. --- @param table String containing the table name --- @return Table of chain names in the order they occur. function IptParser.chains( self, table ) local lookup = { } local chains = { } @@ -238,19 +221,12 @@ function IptParser.chains( self, table ) end ---- Return the given firewall chain within the given table name. --- @param table String containing the table name --- @param chain String containing the chain name --- @return Table containing the fields "policy", "packets", "bytes" -- and "rules". The "rules" field is a table of rule tables. function IptParser.chain( self, table, chain ) return self._chains[table:lower()] and self._chains[table:lower()][chain] end ---- Test whether the given target points to a custom chain. --- @param target String containing the target action --- @return Boolean indicating whether target is a custom chain. function IptParser.is_custom_target( self, target ) for _, r in ipairs(self._rules) do if r.chain == target then diff --git a/modules/luci-base/luasrc/sys/iptparser.luadoc b/modules/luci-base/luasrc/sys/iptparser.luadoc new file mode 100644 index 000000000..071e7d52e --- /dev/null +++ b/modules/luci-base/luasrc/sys/iptparser.luadoc @@ -0,0 +1,69 @@ +---[[ +LuCI iptables parser and query library + +@cstyle instance +]] +module "luci.sys.iptparser" + +---[[ +Create a new iptables parser object. + +@class function +@name IptParser +@param family Number specifying the address family. 4 for IPv4, 6 for IPv6 +@return IptParser instance +]] + +---[[ +Find all firewall rules that match the given criteria. Expects a table with + +search criteria as only argument. If args is nil or an empty table then all +rules will be returned. +]] + +---[[ +Rebuild the internal lookup table, for example when rules have changed + +through external commands. +@class function +@name IptParser.resync +@return nothing +]] + +---[[ +Find the names of all tables. + +@class function +@name IptParser.tables +@return Table of table names. +]] + +---[[ +Find the names of all chains within the given table name. + +@class function +@name IptParser.chains +@param table String containing the table name +@return Table of chain names in the order they occur. +]] + +---[[ +Return the given firewall chain within the given table name. + +@class function +@name IptParser.chain +@param table String containing the table name +@param chain String containing the chain name +@return Table containing the fields "policy", "packets", "bytes" +-- and "rules". The "rules" field is a table of rule tables. +]] + +---[[ +Test whether the given target points to a custom chain. + +@class function +@name IptParser.is_custom_target +@param target String containing the target action +@return Boolean indicating whether target is a custom chain. +]] + diff --git a/modules/luci-base/luasrc/util.lua b/modules/luci-base/luasrc/util.lua index e5dff63dd..8b28b1752 100644 --- a/modules/luci-base/luasrc/util.lua +++ b/modules/luci-base/luasrc/util.lua @@ -20,7 +20,6 @@ local ipairs, pairs, next, loadstring = ipairs, pairs, next, loadstring local require, pcall, xpcall = require, pcall, xpcall local collectgarbage, get_memory_limit = collectgarbage, get_memory_limit ---- LuCI utility functions. module "luci.util" -- @@ -54,7 +53,6 @@ local function _instantiate(class, ...) return inst end ---- Create a Class object (Python-style object model). -- The class object can be instantiated by calling itself. -- Any class functions or shared parameters can be attached to this object. -- Attaching a table to the class object makes this table shared between @@ -64,10 +62,6 @@ end -- to the __init__ function of this class - if such a function exists. -- The __init__ function must be used to set any object parameters that are not shared -- with other objects of this class. Any return values will be ignored. --- @param base The base class to inherit from (optional) --- @return A class object --- @see instanceof --- @see clone function class(base) return setmetatable({}, { __call = _instantiate, @@ -75,12 +69,6 @@ function class(base) }) end ---- Test whether the given object is an instance of the given class. --- @param object Object instance --- @param class Class object to test against --- @return Boolean indicating whether the object is an instance --- @see class --- @see clone function instanceof(object, class) local meta = getmetatable(object) while meta and meta.__index do @@ -117,10 +105,8 @@ local tl_meta = { end } ---- Create a new or get an already existing thread local store associated with -- the current active coroutine. A thread local store is private a table object -- whose values can't be accessed from outside of the running coroutine. --- @return Table value representing the corresponding thread local store function threadlocal(tbl) return setmetatable(tbl or {}, tl_meta) end @@ -130,17 +116,10 @@ end -- Debugging routines -- ---- Write given object to stderr. --- @param obj Value to write to stderr --- @return Boolean indicating whether the write operation was successful function perror(obj) return io.stderr:write(tostring(obj) .. "\n") end ---- Recursively dumps a table to stdout, useful for testing and debugging. --- @param t Table value to dump --- @param maxdepth Maximum depth --- @return Always nil function dumptable(t, maxdepth, i, seen) i = i or 0 seen = seen or setmetatable({}, {__mode="k"}) @@ -163,31 +142,19 @@ end -- String and data manipulation routines -- ---- Create valid XML PCDATA from given string. --- @param value String value containing the data to escape --- @return String value containing the escaped data function pcdata(value) return value and tparser.pcdata(tostring(value)) end ---- Strip HTML tags from given string. --- @param value String containing the HTML text --- @return String with HTML tags stripped of function striptags(value) return value and tparser.striptags(tostring(value)) end ---- Splits given string on a defined separator sequence and return a table -- containing the resulting substrings. The optional max parameter specifies -- the number of bytes to process, regardless of the actual length of the given -- string. The optional last parameter, regex, specifies whether the separator -- sequence is interpreted as regular expression. --- @param str String value containing the data to split up --- @param pat String with separator pattern (optional, defaults to "\n") --- @param max Maximum times to split (optional) --- @param regex Boolean indicating whether to interpret the separator -- pattern as regular expression (optional, default is false) --- @return Table containing the resulting substrings function split(str, pat, max, regex) pat = pat or "\n" max = max or #str @@ -221,29 +188,19 @@ function split(str, pat, max, regex) return t end ---- Remove leading and trailing whitespace from given string value. --- @param str String value containing whitespace padded data --- @return String value with leading and trailing space removed function trim(str) return (str:gsub("^%s*(.-)%s*$", "%1")) end ---- Count the occurences of given substring in given string. --- @param str String to search in --- @param pattern String containing pattern to find --- @return Number of found occurences function cmatch(str, pat) local count = 0 for _ in str:gmatch(pat) do count = count + 1 end return count end ---- Return a matching iterator for the given value. The iterator will return -- one token per invocation, the tokens are separated by whitespace. If the -- input value is a table, it is transformed into a string first. A nil value -- will result in a valid interator which aborts with the first invocation. --- @param val The value to scan (table, string or nil) --- @return Iterator which returns one token per call function imatch(v) if type(v) == "table" then local k = nil @@ -268,7 +225,6 @@ function imatch(v) return function() end end ---- Parse certain units from the given string and return the canonical integer -- value or 0 if the unit is unknown. Upper- or lower case is irrelevant. -- Recognized units are: -- o "y" - one year (60*60*24*366) @@ -283,8 +239,6 @@ end -- o "kib" - one si kilobyte (1000) -- o "mib" - one si megabyte (1000*1000) -- o "gib" - one si gigabyte (1000*1000*1000) --- @param ustr String containing a numerical value with trailing unit --- @return Number containing the canonical value function parse_units(ustr) local val = 0 @@ -336,10 +290,6 @@ string.cmatch = cmatch string.parse_units = parse_units ---- Appends numerically indexed tables or single objects to a given table. --- @param src Target table --- @param ... Objects to insert --- @return Target table function append(src, ...) for i, a in ipairs({...}) do if type(a) == "table" then @@ -353,19 +303,10 @@ function append(src, ...) return src end ---- Combines two or more numerically indexed tables and single objects into one table. --- @param tbl1 Table value to combine --- @param tbl2 Table value to combine --- @param ... More tables to combine --- @return Table value containing all values of given tables function combine(...) return append({}, ...) end ---- Checks whether the given table contains the given value. --- @param table Table value --- @param value Value to search within the given table --- @return Boolean indicating whether the given value occurs within table function contains(table, value) for k, v in pairs(table) do if value == v then @@ -375,20 +316,13 @@ function contains(table, value) return false end ---- Update values in given table with the values from the second given table. -- Both table are - in fact - merged together. --- @param t Table which should be updated --- @param updates Table containing the values to update --- @return Always nil function update(t, updates) for k, v in pairs(updates) do t[k] = v end end ---- Retrieve all keys of given associative table. --- @param t Table to extract keys from --- @return Sorted table containing the keys function keys(t) local keys = { } if t then @@ -399,10 +333,6 @@ function keys(t) return keys end ---- Clones the given object and return it's copy. --- @param object Table value to clone --- @param deep Boolean indicating whether to do recursive cloning --- @return Cloned table value function clone(object, deep) local copy = {} @@ -417,8 +347,6 @@ function clone(object, deep) end ---- Create a dynamic table which automatically creates subtables. --- @return Dynamic Table function dtable() return setmetatable({}, { __index = function(tbl, key) @@ -457,12 +385,7 @@ function _serialize_table(t, seen) return idata .. ( #data > 0 and #idata > 0 and ", " or "" ) .. data end ---- Recursively serialize given data to lua code, suitable for restoring -- with loadstring(). --- @param val Value containing the data to serialize --- @return String value containing the serialized code --- @see restore_data --- @see get_bytecode function serialize_data(val, seen) seen = seen or setmetatable({}, {__mode="k"}) @@ -483,11 +406,6 @@ function serialize_data(val, seen) end end ---- Restore data previously serialized with serialize_data(). --- @param str String containing the data to restore --- @return Value containing the restored data structure --- @see serialize_data --- @see get_bytecode function restore_data(str) return loadstring("return " .. str)() end @@ -497,10 +415,7 @@ end -- Byte code manipulation routines -- ---- Return the current runtime bytecode of the given data. The byte code -- will be stripped before it is returned. --- @param val Value to return as bytecode --- @return String value containing the bytecode of the given data function get_bytecode(val) local code @@ -513,11 +428,8 @@ function get_bytecode(val) return code -- and strip_bytecode(code) end ---- Strips unnescessary lua bytecode from given string. Information like line -- numbers and debugging numbers will be discarded. Original version by -- Peter Cawley (http://lua-users.org/lists/lua-l/2008-02/msg01158.html) --- @param code String value containing the original lua byte code --- @return String value containing the stripped lua byte code function strip_bytecode(code) local version, format, endian, int, size, ins, num, lnum = code:byte(5, 12) local subint @@ -607,27 +519,17 @@ function _sortiter( t, f ) end end ---- Return a key, value iterator which returns the values sorted according to -- the provided callback function. --- @param t The table to iterate --- @param f A callback function to decide the order of elements --- @return Function value containing the corresponding iterator function spairs(t,f) return _sortiter( t, f ) end ---- Return a key, value iterator for the given table. -- The table pairs are sorted by key. --- @param t The table to iterate --- @return Function value containing the corresponding iterator function kspairs(t) return _sortiter( t ) end ---- Return a key, value iterator for the given table. -- The table pairs are sorted by value. --- @param t The table to iterate --- @return Function value containing the corresponding iterator function vspairs(t) return _sortiter( t, function (a,b) return t[a] < t[b] end ) end @@ -637,15 +539,10 @@ end -- System utility functions -- ---- Test whether the current system is operating in big endian mode. --- @return Boolean value indicating whether system is big endian function bigendian() return string.byte(string.dump(function() end), 7) == 0 end ---- Execute given commandline and gather stdout. --- @param command String containing command to execute --- @return String containing the command's stdout function exec(command) local pp = io.popen(command) local data = pp:read("*a") @@ -654,9 +551,6 @@ function exec(command) return data end ---- Return a line-buffered iterator over the output of given command. --- @param command String containing the command to execute --- @return Iterator function execi(command) local pp = io.popen(command) @@ -687,11 +581,6 @@ function execl(command) return data end ---- Issue an ubus call. --- @param object String containing the ubus object to call --- @param method String containing the ubus method to call --- @param values Table containing the values to pass --- @return Table containin the ubus result function ubus(object, method, data) if not _ubus_connection then _ubus_connection = _ubus.connect() @@ -710,10 +599,6 @@ function ubus(object, method, data) end end ---- Convert data structure to JSON --- @param data The data to serialize --- @param writer A function to write a chunk of JSON data (optional) --- @return String containing the JSON if called without write callback function serialize_json(x, cb) local rv, push = nil, cb if not push then @@ -768,8 +653,6 @@ function serialize_json(x, cb) end ---- Returns the absolute path to LuCI base directory. --- @return String containing the directory path function libpath() return require "nixio.fs".dirname(ldebug.__file__) end @@ -809,11 +692,6 @@ local function copcall_id(trace, ...) return ... end ---- This is a coroutine-safe drop-in replacement for Lua's "xpcall"-function --- @param f Lua function to be called protected --- @param err Custom error handler --- @param ... Parameters passed to the function --- @return A boolean whether the function call succeeded and the return -- values of either the function or the error handler function coxpcall(f, err, ...) local res, co = oldpcall(coroutine.create, f) @@ -828,10 +706,6 @@ function coxpcall(f, err, ...) return performResume(err, co, ...) end ---- This is a coroutine-safe drop-in replacement for Lua's "pcall"-function --- @param f Lua function to be called protected --- @param ... Parameters passed to the function --- @return A boolean whether the function call succeeded and the returns -- values of the function or the error object function copcall(f, ...) return coxpcall(f, copcall_id, ...) diff --git a/modules/luci-base/luasrc/util.luadoc b/modules/luci-base/luasrc/util.luadoc new file mode 100644 index 000000000..1c09b7a9a --- /dev/null +++ b/modules/luci-base/luasrc/util.luadoc @@ -0,0 +1,378 @@ +---[[ +LuCI utility functions. + +module "luci.util" +]] + +---[[ +Create a Class object (Python-style object model). + +The class object can be instantiated by calling itself. +Any class functions or shared parameters can be attached to this object. +Attaching a table to the class object makes this table shared between +all instances of this class. For object parameters use the __init__ function. +Classes can inherit member functions and values from a base class. +Class can be instantiated by calling them. All parameters will be passed +to the __init__ function of this class - if such a function exists. +The __init__ function must be used to set any object parameters that are not shared +with other objects of this class. Any return values will be ignored. +@class function +@name class +@param base The base class to inherit from (optional) +@return A class object +@see instanceof +@see clone +]] + +---[[ +Test whether the given object is an instance of the given class. + +@class function +@name instanceof +@param object Object instance +@param class Class object to test against +@return Boolean indicating whether the object is an instance +@see class +@see clone +]] + +---[[ +Create a new or get an already existing thread local store associated with + +the current active coroutine. A thread local store is private a table object +whose values can't be accessed from outside of the running coroutine. +@class function +@name threadlocal +@return Table value representing the corresponding thread local store +]] + +---[[ +Write given object to stderr. + +@class function +@name perror +@param obj Value to write to stderr +@return Boolean indicating whether the write operation was successful +]] + +---[[ +Recursively dumps a table to stdout, useful for testing and debugging. + +@class function +@name dumptable +@param t Table value to dump +@param maxdepth Maximum depth +@return Always nil +]] + +---[[ +Create valid XML PCDATA from given string. + +@class function +@name pcdata +@param value String value containing the data to escape +@return String value containing the escaped data +]] + +---[[ +Strip HTML tags from given string. + +@class function +@name striptags +@param value String containing the HTML text +@return String with HTML tags stripped of +]] + +---[[ +Splits given string on a defined separator sequence and return a table + +containing the resulting substrings. The optional max parameter specifies +the number of bytes to process, regardless of the actual length of the given +string. The optional last parameter, regex, specifies whether the separator +sequence is interpreted as regular expression. +@class function +@name split +@param str String value containing the data to split up +@param pat String with separator pattern (optional, defaults to "\n") +@param max Maximum times to split (optional) +@param regex Boolean indicating whether to interpret the separator +-- pattern as regular expression (optional, default is false) +@return Table containing the resulting substrings +]] + +---[[ +Remove leading and trailing whitespace from given string value. + +@class function +@name trim +@param str String value containing whitespace padded data +@return String value with leading and trailing space removed +]] + +---[[ +Count the occurences of given substring in given string. + +@class function +@name cmatch +@param str String to search in +@param pattern String containing pattern to find +@return Number of found occurences +]] + +---[[ +Return a matching iterator for the given value. The iterator will return + +one token per invocation, the tokens are separated by whitespace. If the +input value is a table, it is transformed into a string first. A nil value +will result in a valid interator which aborts with the first invocation. +@class function +@name imatch +@param val The value to scan (table, string or nil) +@return Iterator which returns one token per call +]] + +---[[ +Parse certain units from the given string and return the canonical integer + +value or 0 if the unit is unknown. Upper- or lower case is irrelevant. +Recognized units are: +-- o "y" - one year (60*60*24*366) + o "m" - one month (60*60*24*31) + o "w" - one week (60*60*24*7) + o "d" - one day (60*60*24) + o "h" - one hour (60*60) + o "min" - one minute (60) + o "kb" - one kilobyte (1024) + o "mb" - one megabyte (1024*1024) + o "gb" - one gigabyte (1024*1024*1024) + o "kib" - one si kilobyte (1000) + o "mib" - one si megabyte (1000*1000) + o "gib" - one si gigabyte (1000*1000*1000) +@class function +@name parse_units +@param ustr String containing a numerical value with trailing unit +@return Number containing the canonical value +]] + +---[[ +Appends numerically indexed tables or single objects to a given table. + +@class function +@name append +@param src Target table +@param ... Objects to insert +@return Target table +]] + +---[[ +Combines two or more numerically indexed tables and single objects into one table. + +@class function +@name combine +@param tbl1 Table value to combine +@param tbl2 Table value to combine +@param ... More tables to combine +@return Table value containing all values of given tables +]] + +---[[ +Checks whether the given table contains the given value. + +@class function +@name contains +@param table Table value +@param value Value to search within the given table +@return Boolean indicating whether the given value occurs within table +]] + +---[[ +Update values in given table with the values from the second given table. + +Both table are - in fact - merged together. +@class function +@name update +@param t Table which should be updated +@param updates Table containing the values to update +@return Always nil +]] + +---[[ +Retrieve all keys of given associative table. + +@class function +@name keys +@param t Table to extract keys from +@return Sorted table containing the keys +]] + +---[[ +Clones the given object and return it's copy. + +@class function +@name clone +@param object Table value to clone +@param deep Boolean indicating whether to do recursive cloning +@return Cloned table value +]] + +---[[ +Create a dynamic table which automatically creates subtables. + +@class function +@name dtable +@return Dynamic Table +]] + +---[[ +Recursively serialize given data to lua code, suitable for restoring + +with loadstring(). +@class function +@name serialize_data +@param val Value containing the data to serialize +@return String value containing the serialized code +@see restore_data +@see get_bytecode +]] + +---[[ +Restore data previously serialized with serialize_data(). + +@class function +@name restore_data +@param str String containing the data to restore +@return Value containing the restored data structure +@see serialize_data +@see get_bytecode +]] + +---[[ +Return the current runtime bytecode of the given data. The byte code + +will be stripped before it is returned. +@class function +@name get_bytecode +@param val Value to return as bytecode +@return String value containing the bytecode of the given data +]] + +---[[ +Strips unnescessary lua bytecode from given string. Information like line + +numbers and debugging numbers will be discarded. Original version by +Peter Cawley (http://lua-users.org/lists/lua-l/2008-02/msg01158.html) +@class function +@name strip_bytecode +@param code String value containing the original lua byte code +@return String value containing the stripped lua byte code +]] + +---[[ +Return a key, value iterator which returns the values sorted according to + +the provided callback function. +@class function +@name spairs +@param t The table to iterate +@param f A callback function to decide the order of elements +@return Function value containing the corresponding iterator +]] + +---[[ +Return a key, value iterator for the given table. + +The table pairs are sorted by key. +@class function +@name kspairs +@param t The table to iterate +@return Function value containing the corresponding iterator +]] + +---[[ +Return a key, value iterator for the given table. + +The table pairs are sorted by value. +@class function +@name vspairs +@param t The table to iterate +@return Function value containing the corresponding iterator +]] + +---[[ +Test whether the current system is operating in big endian mode. + +@class function +@name bigendian +@return Boolean value indicating whether system is big endian +]] + +---[[ +Execute given commandline and gather stdout. + +@class function +@name exec +@param command String containing command to execute +@return String containing the command's stdout +]] + +---[[ +Return a line-buffered iterator over the output of given command. + +@class function +@name execi +@param command String containing the command to execute +@return Iterator +]] + +---[[ +Issue an ubus call. + +@class function +@name ubus +@param object String containing the ubus object to call +@param method String containing the ubus method to call +@param values Table containing the values to pass +@return Table containin the ubus result +]] + +---[[ +Convert data structure to JSON + +@class function +@name serialize_json +@param data The data to serialize +@param writer A function to write a chunk of JSON data (optional) +@return String containing the JSON if called without write callback +]] + +---[[ +Returns the absolute path to LuCI base directory. + +@class function +@name libpath +@return String containing the directory path +]] + +---[[ +This is a coroutine-safe drop-in replacement for Lua's "xpcall"-function + +@class function +@name coxpcall +@param f Lua function to be called protected +@param err Custom error handler +@param ... Parameters passed to the function +@return A boolean whether the function call succeeded and the return +-- values of either the function or the error handler +]] + +---[[ +This is a coroutine-safe drop-in replacement for Lua's "pcall"-function + +@class function +@name copcall +@param f Lua function to be called protected +@param ... Parameters passed to the function +@return A boolean whether the function call succeeded and the returns +-- values of the function or the error object +]] + |