From: Stephan Bosch <stephan.bosch@open-xchange.com>
Date: Wed, 12 Aug 2020 19:47:39 +0000 (+0200)
Subject: lib-http: http-client-peer - Properly saturate result of http_client_peer_shared_max_... 
X-Git-Tag: 2.3.13~279
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=50814cc74f6d8ee3ba4a69a6cf85f6da07c8b034;p=thirdparty%2Fdovecot%2Fcore.git

lib-http: http-client-peer - Properly saturate result of http_client_peer_shared_max_connections() at UINT_MAX.
---

diff --git a/src/lib-http/http-client-peer.c b/src/lib-http/http-client-peer.c
index 356330f0cf..f8c2ecb42e 100644
--- a/src/lib-http/http-client-peer.c
+++ b/src/lib-http/http-client-peer.c
@@ -549,7 +549,12 @@ http_client_peer_shared_max_connections(struct http_client_peer_shared *pshared)
 
 	peer = pshared->peers_list;
 	while (peer != NULL) {
-		max_conns += peer->client->set.max_parallel_connections;
+		const struct http_client_settings *set = &peer->client->set;
+		unsigned int client_max_conns = set->max_parallel_connections;
+
+		if ((UINT_MAX - max_conns) <= client_max_conns)
+			return UINT_MAX;
+		max_conns += client_max_conns;
 		peer = peer->shared_next;
 	}