github_mirrors/ModSecurity
3
0
Fork 1
mirror of https://github.com/owasp-modsecurity/ModSecurity.git synced 2025-09-29 19:24:29 +03:00
Code Issues Packages Projects Releases Wiki Activity

Fix memory leak that occurs on JSON parsing error

Browse Source
This commit is contained in:
Martin Vierula
2021-12-29 06:46:25 -08:00
parent 1d0ccc99c0
commit c6582df2e5
2 changed files with 8 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
apache2/msc_json.c
View File

@@ -351,11 +351,12 @@ int json_process_chunk(modsec_rec *msr, const char *buf, unsigned int size, char
/* Feed our parser and catch any errors */
msr->json->status = yajl_parse(msr->json->handle, buf, size);
if (msr->json->status != yajl_status_ok) {
/* We need to free the yajl error message later, how to do this? */
if (msr->json->depth_limit_exceeded) {
*error_msg = "JSON depth limit exceeded";
} else {
*error_msg = yajl_get_error(msr->json->handle, 0, NULL, 0);
char *yajl_err = yajl_get_error(msr->json->handle, 0, buf, size);
*error_msg = apr_pstrdup(msr->mp, yajl_err);
yajl_free_error(msr->json->handle, yajl_err);
}
return -1;
}
@@ -375,11 +376,12 @@ int json_complete(modsec_rec *msr, char **error_msg) {
/* Wrap up the parsing process */
msr->json->status = yajl_complete_parse(msr->json->handle);
if (msr->json->status != yajl_status_ok) {
/* We need to free the yajl error message later, how to do this? */
if (msr->json->depth_limit_exceeded) {
*error_msg = "JSON depth limit exceeded";
} else {
*error_msg = yajl_get_error(msr->json->handle, 0, NULL, 0);
char *yajl_err = yajl_get_error(msr->json->handle, 0, NULL, 0);
*error_msg = apr_pstrdup(msr->mp, yajl_err);
yajl_free_error(msr->json->handle, yajl_err);
}
return -1;