diff options
Diffstat (limited to 'openbsc/src')
| -rw-r--r-- | openbsc/src/gprs/gprs_gmm.c | 35 |
1 files changed, 22 insertions, 13 deletions
diff --git a/openbsc/src/gprs/gprs_gmm.c b/openbsc/src/gprs/gprs_gmm.c index 575ad7965..95bf73b5a 100644 --- a/openbsc/src/gprs/gprs_gmm.c +++ b/openbsc/src/gprs/gprs_gmm.c @@ -640,9 +640,30 @@ static int gsm48_gmm_authorize(struct sgsn_mm_ctx *ctx) } /* All information required for authentication is available */ - ctx->t3370_id_type = GSM_MI_TYPE_NONE; + if (!ctx->is_authorized) { + /* As a temorary hack, we simply assume that the IMSI exists, + * as long as it is part of 'our' network */ + char mccmnc[16]; + int rc; + snprintf(mccmnc, sizeof(mccmnc), "%03d%02d", + ctx->ra.mcc, ctx->ra.mnc); + if (strncmp(mccmnc, ctx->imsi, 5) && + (sgsn->cfg.acl_enabled && + !sgsn_acl_lookup(ctx->imsi, &sgsn->cfg))) { + LOGP(DMM, LOGL_NOTICE, "Rejecting ATTACH REQUEST IMSI=%s\n", + ctx->imsi); + rc = gsm48_tx_gmm_att_rej(ctx, + GMM_CAUSE_GPRS_NOTALLOWED); + mm_ctx_cleanup_free(ctx, "ATTACH REJECT"); + return rc; + } + ctx->is_authorized = 1; + } + + /* The MS is authorized */ + switch (ctx->pending_req) { case 0: LOGMMCTXP(LOGL_INFO, ctx, @@ -799,18 +820,6 @@ static int gsm48_rx_gmm_att_req(struct sgsn_mm_ctx *ctx, struct msgb *msg, #if 0 return gsm48_tx_gmm_att_rej(msg, GMM_CAUSE_IMSI_UNKNOWN); #else - /* As a temorary hack, we simply assume that the IMSI exists, - * as long as it is part of 'our' network */ - char mccmnc[16]; - snprintf(mccmnc, sizeof(mccmnc), "%03d%02d", ra_id.mcc, ra_id.mnc); - if (strncmp(mccmnc, mi_string, 5) && - (sgsn->cfg.acl_enabled && - !sgsn_acl_lookup(mi_string, &sgsn->cfg))) { - LOGP(DMM, LOGL_NOTICE, "Rejecting ATTACH REQUEST IMSI=%s\n", - mi_string); - return gsm48_tx_gmm_att_rej_oldmsg(msg, - GMM_CAUSE_GPRS_NOTALLOWED); - } ctx = sgsn_mm_ctx_alloc(0, &ra_id); if (!ctx) return gsm48_tx_gmm_att_rej_oldmsg(msg, GMM_CAUSE_NET_FAIL); |