fix mod_http_cache crash reported by hunmonk and mstockton

This commit is contained in:
Christopher Rienzo 2011-11-28 19:22:09 +00:00
parent f4320b58c8
commit 12a1ac9432
1 changed files with 7 additions and 13 deletions

View File

@ -300,7 +300,7 @@ static char *trim(char *str)
static void process_cache_control_header(cached_url_t *url, char *data)
{
char *max_age_str;
int max_age;
switch_time_t max_age;
/* trim whitespace and check if empty */
data = trim(data);
@ -334,8 +334,8 @@ static void process_cache_control_header(cached_url_t *url, char *data)
return;
}
url->max_age = switch_time_now() + (1000 * 1000 * max_age);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "setting max age to %u seconds from now\n", max_age);
url->max_age = switch_time_now() + (max_age * 1000 * 1000);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "setting max age to %u seconds from now\n", (int)max_age);
}
#define CACHE_CONTROL_HEADER "cache-control:"
@ -446,15 +446,11 @@ static char *url_cache_get(url_cache_t *cache, switch_core_session_t *session, c
u = switch_core_hash_find(cache->map, url);
if (u && u->status == CACHED_URL_AVAILABLE) {
/* check if expired */
if (switch_time_now() >= (u->download_time + u->max_age)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, "Cached URL has expired.\n");
url_cache_remove_soft(cache, session, u); /* will get permanently deleted upon replacement */
u = NULL;
}
/* make sure file hasn't been deleted */
if (switch_file_exists(u->filename, pool) != SWITCH_STATUS_SUCCESS) {
} else if (switch_file_exists(u->filename, pool) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, "Cached URL file is missing.\n");
url_cache_remove_soft(cache, session, u); /* will get permanently deleted upon replacement */
u = NULL;
@ -690,6 +686,7 @@ static cached_url_t *cached_url_create(url_cache_t *cache, const char *url)
static void cached_url_destroy(cached_url_t *url, switch_memory_pool_t *pool)
{
if (!zstr(url->filename)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Deleting %s from cache\n", url->filename);
switch_file_remove(url->filename, pool);
}
switch_safe_free(url->filename);
@ -775,11 +772,8 @@ static void setup_dir(url_cache_t *cache)
switch_safe_free(path);
}
switch_dir_close(dir);
switch_safe_free(dirname);
} else {
switch_safe_free(dirname);
break;
}
switch_safe_free(dirname);
}
}
@ -927,7 +921,7 @@ static switch_status_t do_config(url_cache_t *cache)
switch_xml_t cfg, xml, param, settings;
switch_status_t status = SWITCH_STATUS_SUCCESS;
int max_urls;
int default_max_age_sec;
switch_time_t default_max_age_sec;
if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "open of %s failed\n", cf);