osmo-mgw[master]: MGCP: Connection Identifiers are hex strings

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Neels Hofmeyr gerrit-no-reply at lists.osmocom.org
Fri Nov 24 16:27:24 UTC 2017


Patch Set 3: Code-Review-1

(8 comments)

https://gerrit.osmocom.org/#/c/4906/3/include/osmocom/mgcp/mgcp_common.h
File include/osmocom/mgcp/mgcp_common.h:

Line 73: #define MGCP_CONN_ID_MAXLEN 32+1
(technically this is the SIZE, and MAXLEN would be 32 ... but whatever. In other places we use e.g. GSM_IMSI_LENGTH which contains the +1)


https://gerrit.osmocom.org/#/c/4906/3/include/osmocom/mgcp_client/mgcp_client.h
File include/osmocom/mgcp_client/mgcp_client.h:

Line 30:        int response_code;
(wow, I messed up indenting when I merged this... not for this patch)


https://gerrit.osmocom.org/#/c/4906/3/src/libosmo-mgcp/mgcp_conn.c
File src/libosmo-mgcp/mgcp_conn.c:

Line 87: 	OSMO_ASSERT(strlen(id) < MGCP_CONN_ID_MAXLEN);
-1: We don't want to assert on that: send an MGCP package with a long conn id and the program crashes.


Line 135: 	OSMO_ASSERT(strlen(id) < MGCP_CONN_ID_MAXLEN);
same


Line 157: 	OSMO_ASSERT(strlen(id) < MGCP_CONN_ID_MAXLEN);
same (and so forth)


https://gerrit.osmocom.org/#/c/4906/3/src/libosmo-mgcp/mgcp_msg.c
File src/libosmo-mgcp/mgcp_msg.c:

Line 338: 		     "endpoint:%x invalid ConnectionIdentifier (missing) %s\n",
let's log with 0x prefix to clarify that it is hex:

  "endpoint 0x%x: invalid..."

same below


Line 339: 		     ENDPOINT_NUMBER(endp), conn_id);
conn_id is NULL and you're logging it?


Line 347: 		     ENDPOINT_NUMBER(endp), conn_id);
conn_id is empty and you're logging it?


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Gerrit-MessageType: comment
Gerrit-Change-Id: I0531a1b670d00cec50078423a2868207135b2436
Gerrit-PatchSet: 3
Gerrit-Project: osmo-mgw
Gerrit-Branch: master
Gerrit-Owner: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: dexter <pmaier at sysmocom.de>
Gerrit-HasComments: Yes



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