Mercurial > hg > nginx-quic
view src/http/ngx_http_busy_lock.h @ 6081:12ab5cd445c0 stable-1.6
Core: fixed potential buffer overrun when initializing hash.
Initial size as calculated from the number of elements may be bigger
than max_size. If this happens, make sure to set size to max_size.
Reported by Chris West.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Tue, 24 Feb 2015 18:37:14 +0300 |
parents | d620f497c50f |
children |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #ifndef _NGX_HTTP_BUSY_LOCK_H_INCLUDED_ #define _NGX_HTTP_BUSY_LOCK_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> #include <ngx_http.h> typedef struct { u_char *md5_mask; char *md5; int cacheable; int busy; int max_busy; int waiting; int max_waiting; time_t timeout; ngx_event_mutex_t *mutex; } ngx_http_busy_lock_t; typedef struct { time_t time; ngx_event_t *event; void (*event_handler)(ngx_event_t *ev); u_char *md5; int slot; } ngx_http_busy_lock_ctx_t; int ngx_http_busy_lock(ngx_http_busy_lock_t *bl, ngx_http_busy_lock_ctx_t *bc); int ngx_http_busy_lock_cacheable(ngx_http_busy_lock_t *bl, ngx_http_busy_lock_ctx_t *bc, int lock); void ngx_http_busy_unlock(ngx_http_busy_lock_t *bl, ngx_http_busy_lock_ctx_t *bc); char *ngx_http_set_busy_lock_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); #endif /* _NGX_HTTP_BUSY_LOCK_H_INCLUDED_ */