github_mirrors/ModSecurity
3
0
Fork 1
mirror of https://github.com/owasp-modsecurity/ModSecurity.git synced 2025-09-30 03:34:29 +03:00
Code Issues Packages Projects Releases Wiki Activity

Many null pointer checks

Browse Source
This commit is contained in:
Marc Stern
2024-02-20 13:15:52 +01:00
parent 07f4076f46
commit 91da5872c1
22 changed files with 1180 additions and 290 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
apache2/msc_reqbody.c
View File

@@ -41,6 +41,8 @@ void msre_engine_reqbody_processor_register(msre_engine *engine,
* Prepare to accept the request body (part 2).
*/
static apr_status_t modsecurity_request_body_start_init(modsec_rec *msr, char **error_msg) {
assert(msr != NULL);
assert(error_msg != NULL);
*error_msg = NULL;
if(msr->msc_reqbody_storage == MSC_REQBODY_MEMORY) {
@@ -80,6 +82,8 @@ static apr_status_t modsecurity_request_body_start_init(modsec_rec *msr, char **
* Prepare to accept the request body (part 1).
*/
apr_status_t modsecurity_request_body_start(modsec_rec *msr, char **error_msg) {
assert(msr != NULL);
assert(error_msg != NULL);
*error_msg = NULL;
msr->msc_reqbody_length = 0;
msr->stream_input_length = 0;
@@ -161,6 +165,8 @@ apr_status_t modsecurity_request_body_start(modsec_rec *msr, char **error_msg) {
static apr_status_t modsecurity_request_body_store_disk(modsec_rec *msr,
const char *data, apr_size_t length, char **error_msg)
{
assert(msr != NULL);
assert(error_msg != NULL);
apr_size_t i;
*error_msg = NULL;
@@ -181,6 +187,8 @@ static apr_status_t modsecurity_request_body_store_disk(modsec_rec *msr,
static apr_status_t modsecurity_request_body_store_memory(modsec_rec *msr,
const char *data, apr_size_t length, char **error_msg)
{
assert(msr != NULL);
assert(error_msg != NULL);
*error_msg = NULL;
/* Would storing this chunk mean going over the limit? */
@@ -309,6 +317,8 @@ static apr_status_t modsecurity_request_body_store_memory(modsec_rec *msr,
apr_status_t modsecurity_request_body_store(modsec_rec *msr,
const char *data, apr_size_t length, char **error_msg)
{
assert(msr != NULL);
assert(error_msg != NULL);
*error_msg = NULL;
/* If we have a processor for this request body send
@@ -428,6 +438,8 @@ apr_status_t modsecurity_request_body_store(modsec_rec *msr,
}
apr_status_t modsecurity_request_body_to_stream(modsec_rec *msr, const char *buffer, int buflen, char **error_msg) {
assert(msr != NULL);
assert(error_msg != NULL);
#ifndef MSC_LARGE_STREAM_INPUT
char *stream_input_body = NULL;
char *data = NULL;
@@ -541,6 +553,8 @@ apr_status_t modsecurity_request_body_to_stream(modsec_rec *msr, const char *buf
* Replace a bunch of chunks holding a request body with a single large chunk.
*/
static apr_status_t modsecurity_request_body_end_raw(modsec_rec *msr, char **error_msg) {
assert(msr != NULL);
assert(error_msg != NULL);
msc_data_chunk **chunks, *one_chunk;
char *d;
int i, sofar;
@@ -614,6 +628,8 @@ static apr_status_t modsecurity_request_body_end_raw(modsec_rec *msr, char **err
*
*/
static apr_status_t modsecurity_request_body_end_urlencoded(modsec_rec *msr, char **error_msg) {
assert(msr != NULL);
assert(error_msg != NULL);
int invalid_count = 0;
*error_msg = NULL;
@@ -643,6 +659,8 @@ static apr_status_t modsecurity_request_body_end_urlencoded(modsec_rec *msr, cha
* Stops receiving the request body.
*/
apr_status_t modsecurity_request_body_end(modsec_rec *msr, char **error_msg) {
assert(msr != NULL);
assert(error_msg != NULL);
*error_msg = NULL;
/* Close open file descriptors, if any. */
@@ -753,6 +771,8 @@ apr_status_t modsecurity_request_body_end(modsec_rec *msr, char **error_msg) {
* Prepares to forward the request body.
*/
apr_status_t modsecurity_request_body_retrieve_start(modsec_rec *msr, char **error_msg) {
assert(msr != NULL);
assert(error_msg != NULL);
*error_msg = NULL;
if (msr->msc_reqbody_storage == MSC_REQBODY_MEMORY) {
@@ -821,6 +841,8 @@ apr_status_t modsecurity_request_body_retrieve_end(modsec_rec *msr) {
apr_status_t modsecurity_request_body_retrieve(modsec_rec *msr,
msc_data_chunk **chunk, long int nbytes, char **error_msg)
{
assert(msr != NULL);
assert(error_msg != NULL);
msc_data_chunk **chunks;
*error_msg = NULL;
@@ -922,6 +944,8 @@ apr_status_t modsecurity_request_body_retrieve(modsec_rec *msr,
*
*/
apr_status_t modsecurity_request_body_clear(modsec_rec *msr, char **error_msg) {
assert(msr != NULL);
assert(error_msg != NULL);
*error_msg = NULL;
/* Release memory we used to store request body data. */