jolly has submitted this change. (
https://gerrit.osmocom.org/c/libosmocore/+/33446 )
Change subject: ASCI: Add decoding of mobile identity in TALKER INDICATION
......................................................................
ASCI: Add decoding of mobile identity in TALKER INDICATION
gsm48.c provides a function to decode mobile identity from various
messages. TALKER INDICATION is sent by the talking subscriber of a voice
group call to idenitfy the current talker. The mobile identity is
required to distinguish between calling subscriber and other subscribers.
Related: OS#4854
Change-Id: I331fac82e3c15abb01f554b2e70576100f2eea2d
---
M src/gsm/gsm48.c
1 file changed, 26 insertions(+), 0 deletions(-)
Approvals:
fixeria: Looks good to me, approved
pespin: Looks good to me, but someone else must approve
Jenkins Builder: Verified
diff --git a/src/gsm/gsm48.c b/src/gsm/gsm48.c
index 3ec7547..4f79026 100644
--- a/src/gsm/gsm48.c
+++ b/src/gsm/gsm48.c
@@ -955,6 +955,17 @@
cm2_buf = (uint8_t*)&paging_response->cm2;
goto got_cm2;
+ case GSM48_MT_RR_TALKER_IND:
+ /* Check minimum size: Header + CM2 LV + minimum MI LV
*/
+ if (l3_len < sizeof(*gh) + 4 + 2)
+ return -EBADMSG;
+ /* CM2 shall be always 3 bytes in length */
+ if (gh->data[0] != 3)
+ return -EBADMSG;
+ cm2_len = gh->data[0];
+ cm2_buf = gh->data + 1;
+ goto got_cm2;
+
default:
break;
}
--
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: I331fac82e3c15abb01f554b2e70576100f2eea2d
Gerrit-Change-Number: 33446
Gerrit-PatchSet: 3
Gerrit-Owner: jolly <[email protected]>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: fixeria <[email protected]>
Gerrit-Reviewer: jolly <[email protected]>
Gerrit-Reviewer: pespin <[email protected]>
Gerrit-MessageType: merged
