Merge pull request #3269 from marcstern/v2/pr/apr_mutex_create

Fix apr_global_mutex_create() usage
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Ervin Hegedus 2024-10-03 13:44:34 +02:00 committed by GitHub
commit 1121ef0bed
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3 changed files with 4 additions and 27 deletions

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@ -1,7 +1,9 @@
(to be released) - 2.9.x
------------------------
* handle errors from apr_global_mutex_lock
* Fixed apr_global_mutex_create() usage (no filename)
[PR #3269 - @marcstern]
* handle errors from apr_global_mutex_lock
[PR #3257 - @marcstern]
03 Sep 2024 - 2.9.8

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@ -123,30 +123,7 @@ msc_engine *modsecurity_create(apr_pool_t *mp, int processing_mode) {
}
int acquire_global_lock(apr_global_mutex_t **lock, apr_pool_t *mp) {
apr_status_t rc;
apr_file_t *lock_name;
const char *temp_dir;
const char *filename = NULL;
// get platform temp dir
rc = apr_temp_dir_get(&temp_dir, mp);
if (rc != APR_SUCCESS) {
ap_log_perror(APLOG_MARK, APLOG_ERR, 0, mp, "ModSecurity: Could not get temp dir");
return -1;
}
// use temp path template for lock files
char *path = apr_pstrcat(mp, temp_dir, GLOBAL_LOCK_TEMPLATE, NULL);
rc = apr_file_mktemp(&lock_name, path, 0, mp);
if (rc != APR_SUCCESS) {
ap_log_perror(APLOG_MARK, APLOG_ERR, 0, mp, " ModSecurity: Could not create temporary file for global lock");
return -1;
}
// below func always return APR_SUCCESS
apr_file_name_get(&filename, lock_name);
rc = apr_global_mutex_create(lock, filename, APR_LOCK_DEFAULT, mp);
apr_status_t rc = apr_global_mutex_create(lock, NULL, APR_LOCK_DEFAULT, mp);
if (rc != APR_SUCCESS) {
ap_log_perror(APLOG_MARK, APLOG_ERR, 0, mp, " ModSecurity: Could not create global mutex");
return -1;

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@ -135,8 +135,6 @@ typedef struct msc_parm msc_parm;
#define FATAL_ERROR "ModSecurity: Fatal error (memory allocation or unexpected internal error)!"
#define GLOBAL_LOCK_TEMPLATE "/modsec-lock-tmp.XXXXXX"
extern DSOLOCAL char *new_server_signature;
extern DSOLOCAL char *real_server_signature;
extern DSOLOCAL char *chroot_dir;