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51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
/*
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* schema.c: a libFuzzer target to test the XML Schema processor.
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*
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* See Copyright for the status of this software.
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*/
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#include <libxml/catalog.h>
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#include <libxml/xmlschemas.h>
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#include "fuzz.h"
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int
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LLVMFuzzerInitialize(int *argc ATTRIBUTE_UNUSED,
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char ***argv ATTRIBUTE_UNUSED) {
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xmlFuzzMemSetup();
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xmlInitParser();
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#ifdef LIBXML_CATALOG_ENABLED
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xmlInitializeCatalog();
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xmlCatalogSetDefaults(XML_CATA_ALLOW_NONE);
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#endif
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return 0;
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}
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int
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LLVMFuzzerTestOneInput(const char *data, size_t size) {
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xmlSchemaParserCtxtPtr pctxt;
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size_t maxAlloc;
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if (size > 50000)
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return(0);
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maxAlloc = xmlFuzzReadInt(4) % (size + 100);
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xmlFuzzDataInit(data, size);
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xmlFuzzReadEntities();
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xmlFuzzMemSetLimit(maxAlloc);
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pctxt = xmlSchemaNewParserCtxt(xmlFuzzMainUrl());
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xmlSchemaSetParserStructuredErrors(pctxt, xmlFuzzSErrorFunc, NULL);
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xmlSchemaSetResourceLoader(pctxt, xmlFuzzResourceLoader, NULL);
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xmlSchemaFree(xmlSchemaParse(pctxt));
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xmlSchemaFreeParserCtxt(pctxt);
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xmlFuzzMemSetLimit(0);
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xmlFuzzDataCleanup();
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xmlResetLastError();
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return(0);
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}
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