You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
1.2 KiB
53 lines
1.2 KiB
/*
|
|
* xpath.c: a libFuzzer target to test XPath and XPointer expressions.
|
|
*
|
|
* See Copyright for the status of this software.
|
|
*/
|
|
|
|
#include <libxml/parser.h>
|
|
#include <libxml/xpointer.h>
|
|
#include "fuzz.h"
|
|
|
|
int
|
|
LLVMFuzzerInitialize(int *argc ATTRIBUTE_UNUSED,
|
|
char ***argv ATTRIBUTE_UNUSED) {
|
|
xmlInitParser();
|
|
xmlSetGenericErrorFunc(NULL, xmlFuzzErrorFunc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
LLVMFuzzerTestOneInput(const char *data, size_t size) {
|
|
xmlDocPtr doc;
|
|
const char *expr, *xml;
|
|
size_t exprSize, xmlSize;
|
|
|
|
if (size > 10000)
|
|
return(0);
|
|
|
|
xmlFuzzDataInit(data, size);
|
|
|
|
expr = xmlFuzzReadString(&exprSize);
|
|
xml = xmlFuzzReadString(&xmlSize);
|
|
|
|
/* Recovery mode allows more input to be fuzzed. */
|
|
doc = xmlReadMemory(xml, xmlSize, NULL, NULL, XML_PARSE_RECOVER);
|
|
if (doc != NULL) {
|
|
xmlXPathContextPtr xpctxt = xmlXPathNewContext(doc);
|
|
|
|
/* Operation limit to avoid timeout */
|
|
xpctxt->opLimit = 500000;
|
|
|
|
xmlXPathFreeObject(xmlXPtrEval(BAD_CAST expr, xpctxt));
|
|
xmlXPathFreeContext(xpctxt);
|
|
}
|
|
xmlFreeDoc(doc);
|
|
|
|
xmlFuzzDataCleanup();
|
|
xmlResetLastError();
|
|
|
|
return(0);
|
|
}
|
|
|