diff options
Diffstat (limited to 'openbsc/src/gprs/gprs_gmm.c')
| -rw-r--r-- | openbsc/src/gprs/gprs_gmm.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/openbsc/src/gprs/gprs_gmm.c b/openbsc/src/gprs/gprs_gmm.c index 8ada3d41b..b17873e89 100644 --- a/openbsc/src/gprs/gprs_gmm.c +++ b/openbsc/src/gprs/gprs_gmm.c @@ -578,6 +578,43 @@ static void extract_subscr_msisdn(struct sgsn_mm_ctx *ctx) } } +static void extract_subscr_hlr(struct sgsn_mm_ctx *ctx) +{ + struct gsm_mncc_number called; + uint8_t hlr_number[sizeof(ctx->subscr->sgsn_data->hlr) + 1]; + + if (!ctx->subscr) + return; + + if (ctx->subscr->sgsn_data->hlr_len < 1) + return; + + /* prepare the data for the decoder */ + memset(&called, 0, sizeof(called)); + hlr_number[0] = ctx->subscr->sgsn_data->hlr_len; + memcpy(&hlr_number[1], ctx->subscr->sgsn_data->hlr, + ctx->subscr->sgsn_data->hlr_len); + + /* decode the string now */ + gsm48_decode_called(&called, hlr_number); + + if (called.plan != 1) { + LOGMMCTXP(LOGL_ERROR, ctx, + "Numbering plan(%d) not allowed\n", + called.plan); + return; + } + + if (called.type != 1) { + LOGMMCTXP(LOGL_ERROR, ctx, + "Numbering type(%d) not allowed\n", + called.type); + return; + } + + strncpy(&ctx->hlr[0], called.number, sizeof(ctx->hlr) - 1); +} + /* Check if we can already authorize a subscriber */ static int gsm48_gmm_authorize(struct sgsn_mm_ctx *ctx) { @@ -643,6 +680,7 @@ static int gsm48_gmm_authorize(struct sgsn_mm_ctx *ctx) case GSM48_MT_GMM_ATTACH_REQ: extract_subscr_msisdn(ctx); + extract_subscr_hlr(ctx); #ifdef PTMSI_ALLOC /* Start T3350 and re-transmit up to 5 times until ATTACH COMPLETE */ mmctx_timer_start(ctx, 3350, GSM0408_T3350_SECS); |