diff options
Diffstat (limited to 'openbsc/src/gprs/sgsn_libgtp.c')
| -rw-r--r-- | openbsc/src/gprs/sgsn_libgtp.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/openbsc/src/gprs/sgsn_libgtp.c b/openbsc/src/gprs/sgsn_libgtp.c index 29c9f066a..072b9baf0 100644 --- a/openbsc/src/gprs/sgsn_libgtp.c +++ b/openbsc/src/gprs/sgsn_libgtp.c @@ -59,6 +59,15 @@ #include <gtp.h> #include <pdp.h> +/* TS 23.003: The MSISDN shall take the dummy MSISDN value composed of + * 15 digits set to 0 (encoded as an E.164 international number) when + * the MSISDN is not available in messages in which the presence of the + * MSISDN parameter */ +static const uint8_t dummy_msisdn[] = + { 0x91, /* No extension, international, E.164 */ + 0, 0, 0, 0, 0, 0, 0, /* 14 digits of zeroes */ + 0xF0 /* 15th digit of zero + padding */ }; + const struct value_string gtp_cause_strs[] = { { GTPCAUSE_REQ_IMSI, "Request IMSI" }, { GTPCAUSE_REQ_IMEI, "Request IMEI" }, @@ -167,12 +176,16 @@ struct sgsn_pdp_ctx *sgsn_create_pdp_ctx(struct sgsn_ggsn_ctx *ggsn, /* IMSI, TEID/TEIC, FLLU/FLLC, TID, NSAPI set in pdp_newpdp */ /* Put the MSISDN in case we have it */ - if (mmctx->subscr) { + if (mmctx->subscr && mmctx->subscr->sgsn_data->msisdn_len) { pdp->msisdn.l = mmctx->subscr->sgsn_data->msisdn_len; if (pdp->msisdn.l > sizeof(pdp->msisdn.v)) pdp->msisdn.l = sizeof(pdp->msisdn.v); memcpy(pdp->msisdn.v, mmctx->subscr->sgsn_data->msisdn, pdp->msisdn.l); + } else { + /* use the dummy 15-digits-zero MSISDN value */ + pdp->msisdn.l = sizeof(dummy_msisdn); + memcpy(pdp->msisdn.v, dummy_msisdn, pdp->msisdn.l); } /* End User Address from GMM requested PDP address */ |