diff options
Diffstat (limited to 'src/libvlr/vlr_auth_fsm.c')
| -rw-r--r-- | src/libvlr/vlr_auth_fsm.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/libvlr/vlr_auth_fsm.c b/src/libvlr/vlr_auth_fsm.c index ccf3660b8..60265104d 100644 --- a/src/libvlr/vlr_auth_fsm.c +++ b/src/libvlr/vlr_auth_fsm.c @@ -629,3 +629,18 @@ struct osmo_fsm_inst *auth_fsm_start(struct vlr_subscr *vsub, return fi; } + +bool auth_try_reuse_tuple(struct vlr_subscr *vsub, uint8_t key_seq) +{ + int max_reuse_count = vsub->vlr->cfg.auth_tuple_max_reuse_count; + struct vlr_auth_tuple *at = vsub->last_tuple; + + if (!at) + return false; + if ((max_reuse_count >= 0) && (at->use_count > max_reuse_count)) + return false; + if (at->key_seq != key_seq) + return false; + at->use_count++; + return true; +} |