index ef997ef6849206f20c9eeb3ec028a17e731e0335..6448564a08c4138fd5c2add2fb27ff09c820ebbb 100644 (file)
#include "common/base64.h"
#include "common/hmac.h"
#include "common/scram-common.h"
+#ifndef FRONTEND
+#include "miscadmin.h"
+#endif
#include "port/pg_bswap.h"
/*
@@ -73,6 +76,14 @@ scram_SaltedPassword(const char *password,
/* Subsequent iterations */
for (i = 2; i <= iterations; i++)
{
+#ifndef FRONTEND
+ /*
+ * Make sure that this is interruptible as scram_iterations could be
+ * set to a large value.
+ */
+ CHECK_FOR_INTERRUPTS();
+#endif
+
if (pg_hmac_init(hmac_ctx, (uint8 *) password, password_len) < 0 ||
pg_hmac_update(hmac_ctx, (uint8 *) Ui_prev, key_length) < 0 ||
pg_hmac_final(hmac_ctx, Ui, key_length) < 0)