diff options
| -rw-r--r-- | libcli/auth/credentials.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/libcli/auth/credentials.c b/libcli/auth/credentials.c index afb4a04b55c..f52538a7242 100644 --- a/libcli/auth/credentials.c +++ b/libcli/auth/credentials.c @@ -344,7 +344,29 @@ struct netlogon_creds_CredentialState *netlogon_creds_client_init_session_key(TA void netlogon_creds_client_authenticator(struct netlogon_creds_CredentialState *creds, struct netr_Authenticator *next) { + uint32_t t32n = (uint32_t)time(NULL); + + /* + * we always increment and ignore an overflow here + */ creds->sequence += 2; + + if (t32n > creds->sequence) { + /* + * we may increment more + */ + creds->sequence = t32n; + } else { + uint32_t d = creds->sequence - t32n; + + if (d >= INT32_MAX) { + /* + * got an overflow of time_t vs. uint32_t + */ + creds->sequence = t32n; + } + } + netlogon_creds_step(creds); next->cred = creds->client; |