diff options
Diffstat (limited to 'openbsc/contrib/gprs/gprs-verify-nu.lua')
-rw-r--r-- | openbsc/contrib/gprs/gprs-verify-nu.lua | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/openbsc/contrib/gprs/gprs-verify-nu.lua b/openbsc/contrib/gprs/gprs-verify-nu.lua deleted file mode 100644 index e44fdd16f..000000000 --- a/openbsc/contrib/gprs/gprs-verify-nu.lua +++ /dev/null @@ -1,59 +0,0 @@ --- This script verifies that the N(U) is increasing... --- -do - local nu_state_src = {} - - local function init_listener() - -- handle the port as NS over IP - local udp_port_table = DissectorTable.get("udp.port") - local gprs_ns_dis = Dissector.get("gprs_ns") - udp_port_table:add(23000,gprs_ns_dis) - - -- we want to look here... - local llc_sapi_get = Field.new("llcgprs.sapib") - local llc_nu_get = Field.new("llcgprs.nu") - local bssgp_tlli_get = Field.new("bssgp.tlli") - - local tap = Listener.new("ip", "udp.port == 23000") - function tap.packet(pinfo,tvb,ip) - local llc_sapi = llc_sapi_get() - local llc_nu = llc_nu_get() - local bssgp_tlli = bssgp_tlli_get() - - if not llc_sapi or not llc_nu or not bssgp_tlli then - return - end - - local ip_src = tostring(ip.ip_src) - local bssgp_tlli = tostring(bssgp_tlli) - local llc_nu = tostring(llc_nu) - local llc_sapi = tostring(llc_sapi) - - local src_key = ip_src .. "-" .. bssgp_tlli .. "-" .. llc_sapi - local last_nu = nu_state_src[src_key] - if not last_nu then - -- print("Establishing mapping for " .. src_key) - nu_state_src[src_key] = llc_nu - return - end - - local function tohex(number) - return string.format("0x%x", tonumber(number)) - end - - nu_state_src[src_key] = llc_nu - if tonumber(last_nu) + 1 ~= tonumber(llc_nu) then - print("JUMP in N(U) on TLLI " .. tohex(bssgp_tlli) .. " and SAPI: " .. llc_sapi .. " src: " .. ip_src) - print("\t last: " .. last_nu .. " now: " .. llc_nu) - end - end - - function tap.draw() - end - - function tap.reset() - end - end - init_listener() -end - |