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comparison src/core/ngx_proxy_protocol.c @ 8100:251daa98cc87

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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.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 08 Nov 2022 12:48:19 +0300
parents 17d6a537fb1b
children 42bc158a47ec
comparison
equal deleted inserted replaced
8099:17d6a537fb1b 8100:251daa98cc87
280 ngx_proxy_protocol_write(ngx_connection_t *c, u_char *buf, u_char *last) 280 ngx_proxy_protocol_write(ngx_connection_t *c, u_char *buf, u_char *last)
281 { 281 {
282 ngx_uint_t port, lport; 282 ngx_uint_t port, lport;
283 283
284 if (last - buf < NGX_PROXY_PROTOCOL_V1_MAX_HEADER) { 284 if (last - buf < NGX_PROXY_PROTOCOL_V1_MAX_HEADER) {
285 ngx_log_error(NGX_LOG_ALERT, c->log, 0,
286 "too small buffer for PROXY protocol");
285 return NULL; 287 return NULL;
286 } 288 }
287 289
288 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) { 290 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) {
289 return NULL; 291 return NULL;