diff options
Diffstat (limited to 'openbsc/src/osmo-bsc_nat/bsc_nat.c')
| -rw-r--r-- | openbsc/src/osmo-bsc_nat/bsc_nat.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/openbsc/src/osmo-bsc_nat/bsc_nat.c b/openbsc/src/osmo-bsc_nat/bsc_nat.c index 75862941a..8c164a270 100644 --- a/openbsc/src/osmo-bsc_nat/bsc_nat.c +++ b/openbsc/src/osmo-bsc_nat/bsc_nat.c @@ -1019,9 +1019,15 @@ exit: /* do we know who is handling this? */ if (msg->l2h[0] == IPAC_MSGT_ID_RESP) { struct tlv_parsed tvp; - ipaccess_idtag_parse(&tvp, + int ret; + ret = ipaccess_idtag_parse(&tvp, (unsigned char *) msg->l2h + 2, msgb_l2len(msg) - 2); + if (ret < 0) { + LOGP(DNAT, LOGL_ERROR, "ignoring IPA response " + "message with malformed TLVs\n"); + return ret; + } if (TLVP_PRESENT(&tvp, IPAC_IDTAG_UNITNAME)) ipaccess_auth_bsc(&tvp, bsc); } |