From fbe42d46312a87ee24f9038f26876a95c7abab34 Mon Sep 17 00:00:00 2001 From: Maxim Dounin Date: Tue, 8 Nov 2022 12:48:19 +0300 Subject: Added logging to PROXY protocol write buffer check. The check is not expected to fail unless there is a bug in the calling code. But given the check is here, it should log an alert if it fails instead of silently closing the connection. --- src/core/ngx_proxy_protocol.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/core/ngx_proxy_protocol.c') diff --git a/src/core/ngx_proxy_protocol.c b/src/core/ngx_proxy_protocol.c index 212763647..8d3bd01d9 100644 --- a/src/core/ngx_proxy_protocol.c +++ b/src/core/ngx_proxy_protocol.c @@ -282,6 +282,8 @@ ngx_proxy_protocol_write(ngx_connection_t *c, u_char *buf, u_char *last) ngx_uint_t port, lport; if (last - buf < NGX_PROXY_PROTOCOL_V1_MAX_HEADER) { + ngx_log_error(NGX_LOG_ALERT, c->log, 0, + "too small buffer for PROXY protocol"); return NULL; } -- cgit v1.2.3