diff options
Diffstat (limited to 'core')
-rw-r--r-- | core/Makefile | 2 | ||||
-rw-r--r-- | core/src/ffluci/bits.lua | 542 | ||||
-rw-r--r-- | core/src/ffluci/sys.lua | 181 |
3 files changed, 724 insertions, 1 deletions
diff --git a/core/Makefile b/core/Makefile index c6c7ede67..6421a41d3 100644 --- a/core/Makefile +++ b/core/Makefile @@ -3,7 +3,7 @@ LUAC_OPTIONS = -s FILES = ffluci/debug.lua ffluci/view/*.htm ffluci/view/cbi/*.htm ffluci/i18n/* -CFILES = ffluci/util.lua ffluci/http.lua ffluci/fs.lua \ +CFILES = ffluci/bits.lua ffluci/util.lua ffluci/http.lua ffluci/fs.lua \ ffluci/sys.lua ffluci/model/uci.lua ffluci/model/ipkg.lua \ ffluci/config.lua ffluci/i18n.lua ffluci/template.lua \ ffluci/cbi.lua ffluci/dispatcher.lua ffluci/menu.lua ffluci/init.lua diff --git a/core/src/ffluci/bits.lua b/core/src/ffluci/bits.lua new file mode 100644 index 000000000..f8434c335 --- /dev/null +++ b/core/src/ffluci/bits.lua @@ -0,0 +1,542 @@ +--[[ +/* + * Copyright (c) 2007 Tim Kelly/Dialectronics + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT + * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +--]] + +--[[ +/* + * Copyright (c) 2007 Tim Kelly/Dialectronics + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT + * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +--]] + +module("ffluci.bits", package.seeall); + +local hex2bin = { + ["0"] = "0000", + ["1"] = "0001", + ["2"] = "0010", + ["3"] = "0011", + ["4"] = "0100", + ["5"] = "0101", + ["6"] = "0110", + ["7"] = "0111", + ["8"] = "1000", + ["9"] = "1001", + ["a"] = "1010", + ["b"] = "1011", + ["c"] = "1100", + ["d"] = "1101", + ["e"] = "1110", + ["f"] = "1111" + } + + + +local bin2hex = { + ["0000"] = "0", + ["0001"] = "1", + ["0010"] = "2", + ["0011"] = "3", + ["0100"] = "4", + ["0101"] = "5", + ["0110"] = "6", + ["0111"] = "7", + ["1000"] = "8", + ["1001"] = "9", + ["1010"] = "A", + ["1011"] = "B", + ["1100"] = "C", + ["1101"] = "D", + ["1110"] = "E", + ["1111"] = "F" + } + +--[[ +local dec2hex = { + ["0"] = "0", + ["1"] = "1", + ["2"] = "2", + ["3"] = "3", + ["4"] = "4", + ["5"] = "5", + ["6"] = "6", + ["7"] = "7", + ["8"] = "8", + ["9"] = "9", + ["10"] = "A", + ["11"] = "B", + ["12"] = "C", + ["13"] = "D", + ["14"] = "E", + ["15"] = "F" + } +--]] + + +-- These functions are big-endian and take up to 32 bits + +-- Hex2Bin +-- Bin2Hex +-- Hex2Dec +-- Dec2Hex +-- Bin2Dec +-- Dec2Bin + + +function Hex2Bin(s) + +-- s -> hexadecimal string + +local ret = "" +local i = 0 + + + for i in string.gfind(s, ".") do + i = string.lower(i) + + ret = ret..hex2bin[i] + + end + + return ret +end + + +function Bin2Hex(s) + +-- s -> binary string + +local l = 0 +local h = "" +local b = "" +local rem + +l = string.len(s) +rem = l % 4 +l = l-1 +h = "" + + -- need to prepend zeros to eliminate mod 4 + if (rem > 0) then + s = string.rep("0", 4 - rem)..s + end + + for i = 1, l, 4 do + b = string.sub(s, i, i+3) + h = h..bin2hex[b] + end + + return h + +end + + +function Bin2Dec(s) + +-- s -> binary string + +local num = 0 +local ex = string.len(s) - 1 +local l = 0 + + l = ex + 1 + for i = 1, l do + b = string.sub(s, i, i) + if b == "1" then + num = num + 2^ex + end + ex = ex - 1 + end + + return string.format("%u", num) + +end + + + +function Dec2Bin(s, num) + +-- s -> Base10 string +-- num -> string length to extend to + +local n + + if (num == nil) then + n = 0 + else + n = num + end + + s = string.format("%x", s) + + s = Hex2Bin(s) + + while string.len(s) < n do + s = "0"..s + end + + return s + +end + + + + +function Hex2Dec(s) + +-- s -> hexadecimal string + +local s = Hex2Bin(s) + + return Bin2Dec(s) + +end + + + +function Dec2Hex(s) + +-- s -> Base10 string + + s = string.format("%x", s) + + return s + +end + + + + +-- These functions are big-endian and will extend to 32 bits + +-- BMAnd +-- BMNAnd +-- BMOr +-- BMXOr +-- BMNot + + +function BMAnd(v, m) + +-- v -> hex string to be masked +-- m -> hex string mask + +-- s -> hex string as masked + +-- bv -> binary string of v +-- bm -> binary string mask + +local bv = Hex2Bin(v) +local bm = Hex2Bin(m) + +local i = 0 +local s = "" + + while (string.len(bv) < 32) do + bv = "0000"..bv + end + + while (string.len(bm) < 32) do + bm = "0000"..bm + end + + + for i = 1, 32 do + cv = string.sub(bv, i, i) + cm = string.sub(bm, i, i) + if cv == cm then + if cv == "1" then + s = s.."1" + else + s = s.."0" + end + else + s = s.."0" + + end + end + + return Bin2Hex(s) + +end + + +function BMNAnd(v, m) + +-- v -> hex string to be masked +-- m -> hex string mask + +-- s -> hex string as masked + +-- bv -> binary string of v +-- bm -> binary string mask + +local bv = Hex2Bin(v) +local bm = Hex2Bin(m) + +local i = 0 +local s = "" + + while (string.len(bv) < 32) do + bv = "0000"..bv + end + + while (string.len(bm) < 32) do + bm = "0000"..bm + end + + + for i = 1, 32 do + cv = string.sub(bv, i, i) + cm = string.sub(bm, i, i) + if cv == cm then + if cv == "1" then + s = s.."0" + else + s = s.."1" + end + else + s = s.."1" + + end + end + + return Bin2Hex(s) + +end + + + +function BMOr(v, m) + +-- v -> hex string to be masked +-- m -> hex string mask + +-- s -> hex string as masked + +-- bv -> binary string of v +-- bm -> binary string mask + +local bv = Hex2Bin(v) +local bm = Hex2Bin(m) + +local i = 0 +local s = "" + + while (string.len(bv) < 32) do + bv = "0000"..bv + end + + while (string.len(bm) < 32) do + bm = "0000"..bm + end + + + for i = 1, 32 do + cv = string.sub(bv, i, i) + cm = string.sub(bm, i, i) + if cv == "1" then + s = s.."1" + elseif cm == "1" then + s = s.."1" + else + s = s.."0" + end + end + + return Bin2Hex(s) + +end + +function BMXOr(v, m) + +-- v -> hex string to be masked +-- m -> hex string mask + +-- s -> hex string as masked + +-- bv -> binary string of v +-- bm -> binary string mask + +local bv = Hex2Bin(v) +local bm = Hex2Bin(m) + +local i = 0 +local s = "" + + while (string.len(bv) < 32) do + bv = "0000"..bv + end + + while (string.len(bm) < 32) do + bm = "0000"..bm + end + + + for i = 1, 32 do + cv = string.sub(bv, i, i) + cm = string.sub(bm, i, i) + if cv == "1" then + if cm == "0" then + s = s.."1" + else + s = s.."0" + end + elseif cm == "1" then + if cv == "0" then + s = s.."1" + else + s = s.."0" + end + else + -- cv and cm == "0" + s = s.."0" + end + end + + return Bin2Hex(s) + +end + + +function BMNot(v, m) + +-- v -> hex string to be masked +-- m -> hex string mask + +-- s -> hex string as masked + +-- bv -> binary string of v +-- bm -> binary string mask + +local bv = Hex2Bin(v) +local bm = Hex2Bin(m) + +local i = 0 +local s = "" + + while (string.len(bv) < 32) do + bv = "0000"..bv + end + + while (string.len(bm) < 32) do + bm = "0000"..bm + end + + + for i = 1, 32 do + cv = string.sub(bv, i, i) + cm = string.sub(bm, i, i) + if cm == "1" then + if cv == "1" then + -- turn off + s = s.."0" + else + -- turn on + s = s.."1" + end + else + -- leave untouched + s = s..cv + + end + end + + return Bin2Hex(s) + +end + + +-- these functions shift right and left, adding zeros to lost or gained bits +-- returned values are 32 bits long + +-- BShRight(v, nb) +-- BShLeft(v, nb) + + +function BShRight(v, nb) + +-- v -> hexstring value to be shifted +-- nb -> number of bits to shift to the right + +-- s -> binary string of v + +local s = Hex2Bin(v) + + while (string.len(s) < 32) do + s = "0000"..s + end + + s = string.sub(s, 1, 32 - nb) + + while (string.len(s) < 32) do + s = "0"..s + end + + return Bin2Hex(s) + +end + +function BShLeft(v, nb) + +-- v -> hexstring value to be shifted +-- nb -> number of bits to shift to the right + +-- s -> binary string of v + +local s = Hex2Bin(v) + + while (string.len(s) < 32) do + s = "0000"..s + end + + s = string.sub(s, nb + 1, 32) + + while (string.len(s) < 32) do + s = s.."0" + end + + return Bin2Hex(s) + +end
\ No newline at end of file diff --git a/core/src/ffluci/sys.lua b/core/src/ffluci/sys.lua index 334768c0e..f50b014f0 100644 --- a/core/src/ffluci/sys.lua +++ b/core/src/ffluci/sys.lua @@ -26,6 +26,8 @@ limitations under the License. module("ffluci.sys", package.seeall) require("posix") +require("ffluci.bits") +require("ffluci.util") -- Runs "command" and returns its output function exec(command) @@ -68,6 +70,11 @@ function hostname() return io.lines("/proc/sys/kernel/hostname")() end +-- Returns the contents of a documented referred by an URL +function httpget(url) + return exec("wget -qO- '"..url:gsub("'", "").."'") +end + -- Returns the load average function loadavg() local loadavg = io.lines("/proc/loadavg")() @@ -79,11 +86,49 @@ function reboot() return os.execute("reboot >/dev/null 2>&1") end +-- Returns the system type, cpu name, and installed physical memory +function sysinfo() + local c1 = "cat /proc/cpuinfo|grep system\\ typ|cut -d: -f2 2>/dev/null" + local c2 = "uname -m 2>/dev/null" + local c3 = "cat /proc/cpuinfo|grep model\\ name|cut -d: -f2 2>/dev/null" + local c4 = "cat /proc/cpuinfo|grep cpu\\ model|cut -d: -f2 2>/dev/null" + local c5 = "cat /proc/meminfo|grep MemTotal|cut -d: -f2 2>/dev/null" + + local s = ffluci.util.trim(exec(c1)) + local m = "" + local r = "" + + if s == "" then + s = ffluci.util.trim(exec(c2)) + m = ffluci.util.trim(exec(c3)) + else + m = ffluci.util.trim(exec(c4)) + end + + r = ffluci.util.trim(exec(c5)) + + return s, m, r +end + group = {} group.getgroup = posix.getgroup net = {} +-- Returns whether an IP-Adress belongs to a certain net +function net.belongs(ip, net) + local netparts = ffluci.util.split(net, "/") + + if #netparts ~= 2 then + return nil + end + + local binadr = net.ip4bin(ip) + local binnet = net.ip4bin(netparts[1]) + + return (binadr:sub(1, netparts[2]) == binnet:sub(1, netparts[2])) +end + -- Returns all available network interfaces function net.devices() local devices = {} @@ -93,6 +138,52 @@ function net.devices() return devices end +-- Returns the kernel routing table +function net.routes() + return _parse_delimited_table(io.lines("/proc/net/route")) +end + +-- Returns the numeric IP to a given hexstring +function net.hexip4(hex) + if #hex ~= 8 then + return nil + end + + local hexdec = ffluci.bits.Hex2Dec + + local ip = "" + ip = ip .. tostring(hexdec(hex:sub(7,8))) .. "." + ip = ip .. tostring(hexdec(hex:sub(5,6))) .. "." + ip = ip .. tostring(hexdec(hex:sub(3,4))) .. "." + ip = ip .. tostring(hexdec(hex:sub(1,2))) + + return ip +end + +-- Returns the binary IP to a given IP +function net.ip4bin(ip) + local parts = ffluci.util.split(ip, '%.') + if #parts ~= 4 then + return nil + end + + local decbin = ffluci.bits.Dec2Bin + + local bin = "" + bin = bin .. decbin(parts[1], 8) + bin = bin .. decbin(parts[2], 8) + bin = bin .. decbin(parts[3], 8) + bin = bin .. decbin(parts[4], 8) + + return bin +end + +-- Tests whether a host is pingable +function net.pingtest(host) + return os.execute("ping -c1 '"..host:gsub("'", '').."' >/dev/null 2>&1") +end + + process = {} process.info = posix.getpid @@ -123,4 +214,94 @@ function user.setpasswd(user, pwd) local cmd = "(echo '"..pwd.."';sleep 1;echo '"..pwd.."')|" cmd = cmd .. "passwd '"..user.."' >/dev/null 2>&1" return os.execute(cmd) +end + + +wifi = {} + +function wifi.getiwconfig() + local cnt = exec("/usr/sbin/iwconfig 2>/dev/null") + local iwc = {} + + for i, l in pairs(ffluci.util.split(ffluci.util.trim(cnt), "\n\n")) do + local k = l:match("^(.-) ") + l = l:gsub("^(.-) +", "", 1) + if k then + iwc[k] = _parse_mixed_record(l) + end + end + + return iwc +end + +function wifi.iwscan() + local cnt = exec("iwlist scan 2>/dev/null") + local iws = {} + + for i, l in pairs(ffluci.util.split(ffluci.util.trim(cnt), "\n\n")) do + local k = l:match("^(.-) ") + l = l:gsub("^[^\n]+", "", 1) + if k then + iws[k] = {} + for j, c in pairs(ffluci.util.split(l, "\n Cell")) do + c = c:gsub("^(.-)- ", "", 1) + c = ffluci.util.split(c, "\n", 7) + c = table.concat(c, "\n", 1, 7) + table.insert(iws[k], _parse_mixed_record(c)) + end + end + end + + return iws +end + + +-- Internal functions + +function _parse_delimited_table(iter, delimiter) + delimiter = delimiter or "\t+" + + local data = {} + local trim = ffluci.util.trim + local split = ffluci.util.split + + local keys = split(trim(iter()), delimiter) + for i, j in pairs(keys) do + keys[i] = trim(keys[i]) + end + + for line in iter do + local row = {} + line = trim(line) + if #line > 0 then + for i, j in pairs(split(line, delimiter)) do + if keys[i] then + row[keys[i]] = j + end + end + end + table.insert(data, row) + end + + return data +end + +function _parse_mixed_record(cnt) + local data = {} + + for i, l in pairs(ffluci.util.split(ffluci.util.trim(cnt), "\n")) do + for j, f in pairs(ffluci.util.split(ffluci.util.trim(l), " ")) do + local k, x, v = f:match('([^%s][^:=]+) *([:=]*) *"*([^\n"]*)"*') + + if k then + if x == "" then + table.insert(data, k) + else + data[k] = v + end + end + end + end + + return data end
\ No newline at end of file |