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Many null pointer checks

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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
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9
apache2/msc_xml.c
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@@ -24,9 +24,10 @@ xml_unload_external_entity(const char *URI, xmlCharEncoding enc) {
* Initialise XML parser.
*/
int xml_init(modsec_rec *msr, char **error_msg) {
assert(msr != NULL);
assert(error_msg != NULL);
xmlParserInputBufferCreateFilenameFunc entity;
if (error_msg == NULL) return -1;
*error_msg = NULL;
msr->xml = apr_pcalloc(msr->mp, sizeof(xml_data));
@@ -59,7 +60,8 @@ static void xml_receive_sax_error(void *data, const char *msg, ...) {
* Feed one chunk of data to the XML parser.
*/
int xml_process_chunk(modsec_rec *msr, const char *buf, unsigned int size, char **error_msg) {
if (error_msg == NULL) return -1;
assert(msr != NULL);
assert(error_msg != NULL);
*error_msg = NULL;
/* We want to initialise our parsing context here, to
@@ -107,7 +109,8 @@ int xml_process_chunk(modsec_rec *msr, const char *buf, unsigned int size, char
* Finalise XML parsing.
*/
int xml_complete(modsec_rec *msr, char **error_msg) {
if (error_msg == NULL) return -1;
assert(msr != NULL);
assert(error_msg != NULL);
*error_msg = NULL;
/* Only if we have a context, meaning we've done some work. */