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osmo-ttcn3-hacks
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GTP_Codec_Port: Check length field of GTPV1C received packets 

Change-Id: Ie9447b7ec7f7f5ee35cd0393265f5edb5578bdaf
This commit is contained in:
Pau Espin 2022-02-21 15:56:03 +01:00
parent 10ec96e24b
commit 67f23547d2
1 changed files with 5 additions and 0 deletions
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library/GTP_CodecPort.ttcn
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@ -14,6 +14,7 @@ module GTP_CodecPort {
import from IPL4asp_Types all;
import from GTPC_Types all;
import from GTPU_Types all;
import from Misc_Helpers all;
modulepar {
SystemUnderTest mp_pl_SystemUnderTest := SGSN;
@ -63,6 +64,10 @@ module GTP_CodecPort {
out_ud.peer.remName := in_ud.remName;
out_ud.peer.remPort := in_ud.remPort;
out_ud.gtpc := dec_PDU_GTPC(in_ud.msg, pl_SystemUnderTest := mp_pl_SystemUnderTest);
if (lengthof(in_ud.msg) != out_ud.gtpc.lengthf + 8) {
Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail,
log2str("Rx GTPv1-C with field length ", out_ud.gtpc.lengthf, " + 8 != exp ", lengthof(in_ud.msg)));
}
} with { extension "prototype(fast)" };