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Harald Welte gerrit-no-reply at lists.osmocom.orgHarald Welte has submitted this change and it was merged. ( https://gerrit.osmocom.org/13575 ) Change subject: add OSMO_IMSI_BUF_SIZE ...................................................................... add OSMO_IMSI_BUF_SIZE Various places in our code base figure out how many chars they need to safely store an IMSI. An IMSI can have a checksum digit, which is not reflected by GSM23003_IMSI_MAX_DIGITS. And we usually need a terminating \0. Instead of having a magic +2 repeated every so often, rather define OSMO_IMSI_BUF_SIZE to contain both checksum digit and nul char, and have the explanatory comment with it here in libosmocore. Change-Id: Id11ada4c96b79f7f0ad58185ab7dbf24622fb770 --- M include/osmocom/gsm/gsup.h M include/osmocom/gsm/protocol/gsm_23_003.h 2 files changed, 4 insertions(+), 1 deletion(-) Approvals: Harald Welte: Looks good to me, approved Vadim Yanitskiy: Looks good to me, but someone else must approve Pau Espin Pedrol: Looks good to me, approved Jenkins Builder: Verified diff --git a/include/osmocom/gsm/gsup.h b/include/osmocom/gsm/gsup.h index 29ea11a..9a583aa 100644 --- a/include/osmocom/gsm/gsup.h +++ b/include/osmocom/gsm/gsup.h @@ -232,7 +232,7 @@ /*! parsed/decoded GSUP protocol message */ struct osmo_gsup_message { enum osmo_gsup_message_type message_type; - char imsi[GSM23003_IMSI_MAX_DIGITS+2]; + char imsi[OSMO_IMSI_BUF_SIZE]; enum gsm48_gmm_cause cause; enum osmo_gsup_cancel_type cancel_type; int pdp_info_compl; diff --git a/include/osmocom/gsm/protocol/gsm_23_003.h b/include/osmocom/gsm/protocol/gsm_23_003.h index babd0f4..be1b157 100644 --- a/include/osmocom/gsm/protocol/gsm_23_003.h +++ b/include/osmocom/gsm/protocol/gsm_23_003.h @@ -5,6 +5,9 @@ /* Chapter 2.2 */ #define GSM23003_IMSI_MAX_DIGITS 15 #define GSM23003_IMSI_MIN_DIGITS 6 +/*! The char[] buffer size to completely contain an IMSI including the optional checksum digit as well as the + * terminating nul character. */ +#define OSMO_IMSI_BUF_SIZE (GSM23003_IMSI_MAX_DIGITS+2) /* Chapter 2.4 */ #define GSM23003_TMSI_NUM_BYTES 4 /* Chapter 2.5 */ -- To view, visit https://gerrit.osmocom.org/13575 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: libosmocore Gerrit-Branch: master Gerrit-MessageType: merged Gerrit-Change-Id: Id11ada4c96b79f7f0ad58185ab7dbf24622fb770 Gerrit-Change-Number: 13575 Gerrit-PatchSet: 5 Gerrit-Owner: Neels Hofmeyr <nhofmeyr at sysmocom.de> Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Jenkins Builder (1000002) Gerrit-Reviewer: Neels Hofmeyr <nhofmeyr at sysmocom.de> Gerrit-Reviewer: Pau Espin Pedrol <pespin at sysmocom.de> Gerrit-Reviewer: Vadim Yanitskiy <axilirator at gmail.com> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20190413/3516a2ab/attachment.htm>