+++ /dev/null
---[[
-LuCI - UCI wrapper library
-
-Description:
-Wrapper for the /sbin/uci application, syntax of implemented functions
-is comparable to the syntax of the uci application
-
-Any return value of false or nil can be interpreted as an error
-
-FileId:
-$Id$
-
-License:
-Copyright 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
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-
-]]--
-
-module("luci.model.uci.wrapper", package.seeall)
-
-require("luci.util")
-require("luci.sys")
-
--- Session class
-Session = luci.util.class()
-
--- Session constructor
-function Session.__init__(self, savedir)
- self.ucicmd = savedir and "uci -P " .. savedir or "uci"
-end
-
-function Session.add(self, config, section_type)
- return self:_uci("add " .. _path(config) .. " " .. _path(section_type))
-end
-
-function Session.changes(self, config)
- return self:_uci("changes " .. _path(config))
-end
-
-function Session.commit(self, config)
- return self:_uci2("commit " .. _path(config))
-end
-
-function Session.del(self, config, section, option)
- return self:_uci2("del " .. _path(config, section, option))
-end
-
-function Session.get(self, config, section, option)
- return self:_uci("get " .. _path(config, section, option))
-end
-
-function Session.revert(self, config)
- return self:_uci2("revert " .. _path(config))
-end
-
-function Session.sections(self, config)
- if not config then
- return nil
- end
-
- local r1, r2 = self:_uci3("show " .. _path(config))
- if type(r1) == "table" then
- return r1, r2
- else
- return nil, r2
- end
-end
-
-function Session.set(self, config, section, option, value)
- return self:_uci2("set " .. _path(config, section, option, value))
-end
-
-function Session.synchronize(self) end
-
--- Dummy transaction functions
-
-function Session.t_load(self) end
-function Session.t_save(self) end
-
-Session.t_add = Session.add
-Session.t_commit = Session.commit
-Session.t_del = Session.del
-Session.t_get = Session.get
-Session.t_revert = Session.revert
-Session.t_sections = Session.sections
-Session.t_set = Session.set
-
-
-
-
-
--- Internal functions --
-
-
-function Session._uci(self, cmd)
- local res = luci.sys.exec(self.ucicmd .. " 2>/dev/null " .. cmd)
-
- if res:len() == 0 then
- return nil
- else
- return res:sub(1, res:len()-1)
- end
-end
-
-function Session._uci2(self, cmd)
- local res = luci.sys.exec(self.ucicmd .. " 2>&1 " .. cmd)
-
- if res:len() > 0 then
- return false, res
- else
- return true
- end
-end
-
-function Session._uci3(self, cmd)
- local res = luci.sys.execl(self.ucicmd .. " 2>&1 " .. cmd)
- if res[1] and res[1]:sub(1, self.ucicmd:len()+1) == self.ucicmd..":" then
- return nil, res[1]
- end
-
- local tbl = {}
- local ord = {}
-
- for k,line in pairs(res) do
- c, s, t = line:match("^([^.]-)%.([^.]-)=(.-)$")
- if c then
- tbl[s] = {}
- table.insert(ord, s)
- tbl[s][".type"] = t
- end
-
- c, s, o, v = line:match("^([^.]-)%.([^.]-)%.([^.]-)=(.-)$")
- if c then
- tbl[s][o] = v
- end
- end
-
- return tbl, ord
-end
-
--- Build path (config.section.option=value) and prevent command injection
-function _path(...)
- local result = ""
-
- -- Not using ipairs because it is not reliable in case of nil arguments
- arg.n = nil
- for k,v in pairs(arg) do
- if v then
- v = tostring(v)
- if k == 1 then
- result = "'" .. v:gsub("['.]", "") .. "'"
- elseif k < 4 then
- result = result .. ".'" .. v:gsub("['.]", "") .. "'"
- elseif k == 4 then
- result = result .. "='" .. v:gsub("'", "") .. "'"
- end
- end
- end
- return result
-end
\ No newline at end of file
projects / project / luci.git / blobdiff