--- /dev/null
+--[[
+LuCI - Lua Configuration Interface
+
+(c) 2008-2011 Jo-Philipp Wich <xm@subsignal.org>
+(c) 2008 Steven Barth <steven@midlink.org>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+]]--
+
+local os = require "os"
+local io = require "io"
+local fs = require "nixio.fs"
+local util = require "luci.util"
+
+local type = type
+local pairs = pairs
+local error = error
+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"
+
+
+-- Internal action function
+local function _action(cmd, ...)
+ local pkg = ""
+ for k, v in pairs({...}) do
+ pkg = pkg .. " '" .. v:gsub("'", "") .. "'"
+ end
+
+ local c = "%s %s %s >/tmp/opkg.stdout 2>/tmp/opkg.stderr" %{ ipkg, cmd, pkg }
+ local r = os.execute(c)
+ local e = fs.readfile("/tmp/opkg.stderr")
+ local o = fs.readfile("/tmp/opkg.stdout")
+
+ fs.unlink("/tmp/opkg.stderr")
+ fs.unlink("/tmp/opkg.stdout")
+
+ return r, o or "", e or ""
+end
+
+-- Internal parser function
+local function _parselist(rawdata)
+ if type(rawdata) ~= "function" then
+ error("OPKG: Invalid rawdata given")
+ end
+
+ local data = {}
+ local c = {}
+ local l = nil
+
+ for line in rawdata do
+ if line:sub(1, 1) ~= " " then
+ local key, val = line:match("(.-): ?(.*)%s*")
+
+ if key and val then
+ if key == "Package" then
+ c = {Package = val}
+ data[val] = c
+ elseif key == "Status" then
+ c.Status = {}
+ for j in val:gmatch("([^ ]+)") do
+ c.Status[j] = true
+ end
+ else
+ c[key] = val
+ end
+ l = key
+ end
+ else
+ -- Multi-line field
+ c[l] = c[l] .. "\n" .. line
+ end
+ end
+
+ return data
+end
+
+-- Internal lookup function
+local function _lookup(act, pkg)
+ local cmd = ipkg .. " " .. act
+ if pkg then
+ cmd = cmd .. " '" .. pkg:gsub("'", "") .. "'"
+ end
+
+ -- OPKG sometimes kills the whole machine because it sucks
+ -- Therefore we have to use a sucky approach too and use
+ -- tmpfiles instead of directly reading the output
+ local tmpfile = os.tmpname()
+ os.execute(cmd .. (" >%s 2>/dev/null" % tmpfile))
+
+ local data = _parselist(io.lines(tmpfile))
+ os.remove(tmpfile)
+ return data
+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
+
+-- List helper
+function _list(action, pat, cb)
+ local fd = io.popen(ipkg .. " " .. action ..
+ (pat and (" '%s'" % pat:gsub("'", "")) or ""))
+
+ if fd then
+ local name, version, desc
+ while true do
+ local line = fd:read("*l")
+ if not line then break end
+
+ name, version, desc = line:match("^(.-) %- (.-) %- (.+)")
+
+ if not name then
+ name, version = line:match("^(.-) %- (.+)")
+ desc = ""
+ end
+
+ cb(name, version, desc)
+
+ name = nil
+ version = nil
+ desc = nil
+ end
+
+ fd:close()
+ 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")
+
+ if fd then
+ local ln
+
+ repeat
+ ln = fd:read("*l")
+ if ln and ln:match("^%s*option%s+overlay_root%s+") then
+ od = ln:match("^%s*option%s+overlay_root%s+(%S+)")
+
+ local s = fs.stat(od)
+ if not s or s.type ~= "dir" then
+ od = "/"
+ end
+
+ break
+ end
+ until not ln
+
+ fd:close()
+ end
+
+ return od
+end
projects / project / luci.git / blobdiff