diff options
Diffstat (limited to 'applications/luci-app-ddns/luasrc/tools/ddns.lua')
| -rwxr-xr-x | applications/luci-app-ddns/luasrc/tools/ddns.lua | 169 |
1 files changed, 142 insertions, 27 deletions
diff --git a/applications/luci-app-ddns/luasrc/tools/ddns.lua b/applications/luci-app-ddns/luasrc/tools/ddns.lua index 209d9c3a41..57913a51fe 100755 --- a/applications/luci-app-ddns/luasrc/tools/ddns.lua +++ b/applications/luci-app-ddns/luasrc/tools/ddns.lua @@ -1,40 +1,138 @@ --- Copyright 2014-2016 Christian Schoenebeck <christian dot schoenebeck at gmail dot com> +-- Copyright 2014-2018 Christian Schoenebeck <christian dot schoenebeck at gmail dot com> -- Licensed to the public under the Apache License 2.0. module("luci.tools.ddns", package.seeall) local NX = require "nixio" local NXFS = require "nixio.fs" -local OPKG = require "luci.model.ipkg" local UCI = require "luci.model.uci" local SYS = require "luci.sys" -local UTIL = require "luci.util" -local function _check_certs() - local _, v = NXFS.glob("/etc/ssl/certs/*.crt") - if ( v == 0 ) then _, v = NXFS.glob("/etc/ssl/certs/*.pem") end - return (v > 0) -end +function env_info(type) -has_wgetssl = (SYS.call( [[which wget-ssl >/dev/null 2>&1]] ) == 0) -- and true or nil -has_curl = (SYS.call( [[which curl >/dev/null 2>&1]] ) == 0) -has_curlssl = (SYS.call( [[$(which curl) -V 2>&1 | grep "Protocols:" | grep -qF "https"]] ) ~= 0) -has_curlpxy = (SYS.call( [[grep -i "all_proxy" /usr/lib/libcurl.so* >/dev/null 2>&1]] ) == 0) -has_fetch = (SYS.call( [[which uclient-fetch >/dev/null 2>&1]] ) == 0) -has_fetchssl = NXFS.access("/lib/libustream-ssl.so") -has_bbwget = (SYS.call( [[$(which wget) -V 2>&1 | grep -iqF "busybox"]] ) == 0) -has_bindhost = (SYS.call( [[which host >/dev/null 2>&1]] ) == 0) - or (SYS.call( [[which khost >/dev/null 2>&1]] ) == 0) - or (SYS.call( [[which drill >/dev/null 2>&1]] ) == 0) -has_hostip = (SYS.call( [[which hostip >/dev/null 2>&1]] ) == 0) -has_nslookup = (SYS.call( [[$(which nslookup) localhost 2>&1 | grep -qF "(null)"]] ) ~= 0) -has_ipv6 = (NXFS.access("/proc/net/ipv6_route") and NXFS.access("/usr/sbin/ip6tables")) -has_ssl = (has_wgetssl or has_curlssl or (has_fetch and has_fetchssl)) -has_proxy = (has_wgetssl or has_curlpxy or has_fetch or has_bbwget) -has_forceip = (has_wgetssl or has_curl or has_fetch) -- only really needed for transfer -has_dnsserver = (has_bindhost or has_hostip or has_nslookup) -has_bindnet = (has_wgetssl or has_curl) -has_cacerts = _check_certs() + if ( type == "has_ssl" ) or ( type == "has_proxy" ) or ( type == "has_forceip" ) + or ( type == "has_bindnet" ) or ( type == "has_fetch" ) + or ( type == "has_wgetssl" ) or ( type == "has_curl" ) + or ( type == "has_curlssl" ) or ( type == "has_curlpxy" ) + or ( type == "has_fetchssl" ) or ( type == "has_bbwget" ) then + + local function has_wgetssl() + return (SYS.call( [[which wget-ssl >/dev/null 2>&1]] ) == 0) -- and true or nil + end + + local function has_curlssl() + return (SYS.call( [[$(which curl) -V 2>&1 | grep "Protocols:" | grep -qF "https"]] ) ~= 0) + end + + local function has_fetch() + return (SYS.call( [[which uclient-fetch >/dev/null 2>&1]] ) == 0) + end + + local function has_fetchssl() + return NXFS.access("/lib/libustream-ssl.so") + end + + local function has_curl() + return (SYS.call( [[which curl >/dev/null 2>&1]] ) == 0) + end + + local function has_curlpxy() + return (SYS.call( [[grep -i "all_proxy" /usr/lib/libcurl.so* >/dev/null 2>&1]] ) == 0) + end + + local function has_bbwget() + return (SYS.call( [[$(which wget) -V 2>&1 | grep -iqF "busybox"]] ) == 0) + end + + if type == "has_wgetssl" then + return has_wgetssl() + + elseif type == "has_curl" then + return has_curl() + + elseif type == "has_curlssl" then + return has_curlssl() + + elseif type == "has_curlpxy" then + return has_curlpxy() + + elseif type == "has_fetch" then + return has_fetch() + + elseif type == "has_fetchssl" then + return has_fetchssl() + + elseif type == "has_bbwget" then + return has_bbwget() + + elseif type == "has_ssl" then + if has_wgetssl() then return true end + if has_curlssl() then return true end + if (has_fetch() and has_fetchssl()) then return true end + return false + + elseif type == "has_proxy" then + if has_wgetssl() then return true end + if has_curlpxy() then return true end + if has_fetch() then return true end + if has_bbwget() then return true end + return false + + elseif type == "has_forceip" then + if has_wgetssl() then return true end + if has_curl() then return true end + if has_fetch() then return true end -- only really needed for transfer + return false + + elseif type == "has_bindnet" then + if has_curl() then return true end + if has_wgetssl() then return true end + return false + end + + elseif ( type == "has_dnsserver" ) or ( type == "has_bindhost" ) or ( type == "has_hostip" ) or ( type == "has_nslookup" ) then + local function has_bindhost() + if (SYS.call( [[which host >/dev/null 2>&1]] ) == 0) then return true end + if (SYS.call( [[which host >/dev/null 2>&1]] ) == 0) then return true end + if (SYS.call( [[which khost >/dev/null 2>&1]] ) == 0) then return true end + if (SYS.call( [[which drill >/dev/null 2>&1]] ) == 0) then return true end + return false + end + + local function has_hostip() + return (SYS.call( [[which hostip >/dev/null 2>&1]] ) == 0) + end + + local function has_nslookup() + return (SYS.call( [[$(which nslookup) localhost 2>&1 | grep -qF "(null)"]] ) ~= 0) + end + + if type == "has_bindhost" then + return has_bindhost() + elseif type == "has_hostip" then + return has_hostip() + elseif type == "has_nslookup" then + return has_nslookup() + elseif tyep == "has_dnsserver" then + if has_bindhost() then return true end + if has_hostip() then return true end + if has_nslookup() then return true end + return false + end + + elseif type == "has_ipv6" then + return (NXFS.access("/proc/net/ipv6_route") and NXFS.access("/usr/sbin/ip6tables")) + + elseif type == "has_cacerts" then + --old _check_certs() local function + local _, v = NXFS.glob("/etc/ssl/certs/*.crt") + if ( v == 0 ) then _, v = NXFS.glob("/etc/ssl/certs/*.pem") end + return (v > 0) + else + return + end + +end -- function to calculate seconds from given interval and unit function calc_seconds(interval, unit) @@ -74,6 +172,23 @@ function get_lastupd(section) return etime end +-- read registered IP from [section].ip file +function get_regip(section, chk_sec) + local uci = UCI.cursor() + local rdir = uci:get("ddns", "global", "ddns_rundir") or "/var/run/ddns" + local ip = "NOFILE" + if NXFS.access("%s/%s.ip" % { rdir, section }) then + local ftime = NXFS.stat("%s/%s.ip" % { rdir, section }, "ctime") or 0 + local otime = os.time() + -- give ddns-scripts time (9 sec) to update file + if otime < (ftime + chk_sec + 9) then + ip = NXFS.readfile("%s/%s.ip" % { rdir, section }) + end + end + uci:unload("ddns") + return ip +end + -- read PID from run file and verify if still running function get_pid(section) local uci = UCI.cursor() |