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-rw-r--r--lib/krb5_wrap/krb5_samba.c47
-rw-r--r--lib/krb5_wrap/krb5_samba.h12
2 files changed, 59 insertions, 0 deletions
diff --git a/lib/krb5_wrap/krb5_samba.c b/lib/krb5_wrap/krb5_samba.c
index 4bfc2531c6..ddebdd8ebd 100644
--- a/lib/krb5_wrap/krb5_samba.c
+++ b/lib/krb5_wrap/krb5_samba.c
@@ -2128,6 +2128,53 @@ krb5_error_code smb_krb5_make_principal(krb5_context context,
}
#endif
+#if !defined(HAVE_KRB5_CC_GET_LIFETIME) && defined(HAVE_KRB5_CC_RETRIEVE_CRED)
+/**
+ * @brief Get the lifetime of the initial ticket in the cache.
+ *
+ * @param[in] context The kerberos context.
+ *
+ * @param[in] id The credential cache to get the ticket lifetime.
+ *
+ * @param[out] t A pointer to a time value to store the lifetime.
+ *
+ * @return 0 on success, a krb5_error_code on error.
+ */
+krb5_error_code smb_krb5_cc_get_lifetime(krb5_context context,
+ krb5_ccache id,
+ time_t *t)
+{
+ krb5_error_code rc;
+ krb5_creds mcreds;
+ krb5_creds creds;
+ krb5_timestamp now;
+
+ ZERO_STRUCT(mcreds);
+
+ mcreds.ticket_flags = TKT_FLG_INITIAL;
+
+ rc = krb5_cc_retrieve_cred(context,
+ id,
+ KRB5_TC_MATCH_FLAGS,
+ &mcreds,
+ &creds);
+ if (rc != 0) {
+ return rc;
+ }
+
+ rc = krb5_timeofday(context, &now);
+ if (rc != 0) {
+ return rc;
+ }
+
+ *t = (time_t) (creds.times.endtime - now);
+
+ krb5_free_creds(context, &creds);
+
+ return 0;
+}
+#endif /* HAVE_KRB5_CC_GET_LIFETIME */
+
/*
* smb_krb5_principal_get_realm
*
diff --git a/lib/krb5_wrap/krb5_samba.h b/lib/krb5_wrap/krb5_samba.h
index 2c492642a6..f036e052b3 100644
--- a/lib/krb5_wrap/krb5_samba.h
+++ b/lib/krb5_wrap/krb5_samba.h
@@ -240,6 +240,18 @@ krb5_error_code smb_krb5_make_principal(krb5_context context,
#else
#error krb5_make_principal not available
#endif
+
+#if defined(HAVE_KRB5_CC_GET_LIFETIME)
+#define smb_krb5_cc_get_lifetime krb5_cc_get_lifetime
+#elif defined(HAVE_KRB5_CC_RETRIEVE_CRED)
+krb5_error_code smb_krb5_cc_get_lifetime(krb5_context context,
+ krb5_ccache id,
+ time_t *t);
+#else
+#error krb5_cc_get_lifetime not available
+#endif
+
+
char *smb_krb5_principal_get_realm(krb5_context context,
krb5_principal principal);