commit 393c5a451cab99ef5fdb9487434e4ecfb7864b1f
parent 6c3d5864dfbf5a9c07ad500d2217c67268ecddc8
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
Date: Mon, 16 May 2022 15:12:08 +0300
digestauth: simplified overflow check
Diffstat:
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/microhttpd/digestauth.c b/src/microhttpd/digestauth.c
@@ -671,7 +671,7 @@ check_nonce_nc (struct MHD_Connection *connection,
mod = daemon->nonce_nc_size;
if (0 == mod)
return MHD_DAUTH_NONCENC_STALE; /* no array! */
- if (nc + 64 < nc)
+ if (nc >= UINT64_MAX - 64)
return MHD_DAUTH_NONCENC_STALE; /* Overflow, unrealistically high value */
nn = &daemon->nnc[get_nonce_nc_idx (mod, nonce, noncelen)];