lynxis lazus has uploaded this change for review.

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gprs_gmm: Service Request: add FIXME to check authentication

Before parsing the PDP status of an Service Request, the Service Request has
to be authenticated, otherwise it is possible to close a UEs PDP context by
sending a fake Service Request.

Change-Id: Icab4a223ec9a7987ede38772339f544312d950c2
---
M src/sgsn/gprs_gmm.c
1 file changed, 1 insertion(+), 0 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-sgsn refs/changes/98/43598/1
diff --git a/src/sgsn/gprs_gmm.c b/src/sgsn/gprs_gmm.c
index c9d5401..c8b2671 100644
--- a/src/sgsn/gprs_gmm.c
+++ b/src/sgsn/gprs_gmm.c
@@ -1946,6 +1946,7 @@
/* TODO: Use tlvp_val16le when available */
uint16_t pdp_status = osmo_load16le(TLVP_VAL(&tp, GSM48_IE_GMM_PDP_CTX_STATUS));

+ /* FIXME: this should be done after the connection has been authenticated! */
process_ms_ctx_status(ctx, pdp_status);

/* 3GPP TS 24.008 ยง 4.7.13.4 Service request procedure not

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Gerrit-MessageType: newchange
Gerrit-Project: osmo-sgsn
Gerrit-Branch: master
Gerrit-Change-Id: Icab4a223ec9a7987ede38772339f544312d950c2
Gerrit-Change-Number: 43598
Gerrit-PatchSet: 1
Gerrit-Owner: lynxis lazus <lynxis@fe80.eu>