[libxml2]Add libxml2 library

2026-07-26 16:57:28 +08:00
parent 0a44ec8a06
commit e841ac915d
3790 changed files with 668244 additions and 0 deletions
@@ -0,0 +1,162 @@
+/*
+ * fuzz.h: Common functions and macros for fuzzing.
+ *
+ * See Copyright for the status of this software.
+ */
+
+#ifndef __XML_FUZZERCOMMON_H__
+#define __XML_FUZZERCOMMON_H__
+
+#include <stddef.h>
+#include <stdio.h>
+#include <libxml/parser.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if __GNUC__ * 100 + __GNUC_MINOR__ >= 207 || defined(__clang__)
+  #define ATTRIBUTE_UNUSED __attribute__((unused))
+#else
+  #define ATTRIBUTE_UNUSED
+#endif
+
+#if defined(LIBXML_HTML_ENABLED)
+  #define HAVE_HTML_FUZZER
+#endif
+#if 1
+  #define HAVE_LINT_FUZZER
+#endif
+#if defined(LIBXML_READER_ENABLED)
+  #define HAVE_READER_FUZZER
+#endif
+#if defined(LIBXML_REGEXP_ENABLED)
+  #define HAVE_REGEXP_FUZZER
+#endif
+#if defined(LIBXML_SCHEMAS_ENABLED)
+  #define HAVE_SCHEMA_FUZZER
+#endif
+#if 1
+  #define HAVE_URI_FUZZER
+#endif
+#if defined(LIBXML_VALID_ENABLED)
+  #define HAVE_VALID_FUZZER
+#endif
+#if defined(LIBXML_XINCLUDE_ENABLED)
+  #define HAVE_XINCLUDE_FUZZER
+#endif
+#if 1
+  #define HAVE_XML_FUZZER
+#endif
+#if defined(LIBXML_XPTR_ENABLED)
+  #define HAVE_XPATH_FUZZER
+#endif
+
+#define XML_FUZZ_PROB_ONE (1u << 16)
+
+typedef size_t
+(*xmlFuzzMutator)(char *data, size_t size, size_t maxSize);
+
+typedef struct {
+    unsigned size;
+    unsigned mutateProb;
+} xmlFuzzChunkDesc;
+
+int
+LLVMFuzzerInitialize(int *argc, char ***argv);
+
+int
+LLVMFuzzerTestOneInput(const char *data, size_t size);
+
+size_t
+LLVMFuzzerMutate(char *data, size_t size, size_t maxSize);
+
+size_t
+LLVMFuzzerCustomMutator(char *data, size_t size, size_t maxSize,
+                        unsigned seed);
+
+void
+xmlFuzzErrorFunc(void *ctx, const char *msg, ...);
+
+void
+xmlFuzzSErrorFunc(void *ctx, const xmlError *error);
+
+void
+xmlFuzzMemSetup(void);
+
+void
+xmlFuzzInjectFailure(size_t failurePos);
+
+int
+xmlFuzzMallocFailed(void);
+
+void
+xmlFuzzResetFailure(void);
+
+void
+xmlFuzzCheckFailureReport(const char *func, int oomReport, int ioReport);
+
+void
+xmlFuzzDataInit(const char *data, size_t size);
+
+void
+xmlFuzzDataCleanup(void);
+
+void
+xmlFuzzWriteInt(FILE *out, size_t v, int size);
+
+size_t
+xmlFuzzReadInt(int size);
+
+size_t
+xmlFuzzBytesRemaining(void);
+
+const char *
+xmlFuzzReadRemaining(size_t *size);
+
+void
+xmlFuzzWriteString(FILE *out, const char *str);
+
+const char *
+xmlFuzzReadString(size_t *size);
+
+void
+xmlFuzzReadEntities(void);
+
+const char *
+xmlFuzzMainUrl(void);
+
+const char *
+xmlFuzzMainEntity(size_t *size);
+
+const char *
+xmlFuzzSecondaryUrl(void);
+
+const char *
+xmlFuzzSecondaryEntity(size_t *size);
+
+xmlParserErrors
+xmlFuzzResourceLoader(void *data, const char *URL, const char *ID,
+                      xmlResourceType type, xmlParserInputFlags flags,
+                      xmlParserInputPtr *out);
+
+char *
+xmlSlurpFile(const char *path, size_t *size);
+
+int
+xmlFuzzOutputWrite(void *ctxt, const char *buffer, int len);
+
+int
+xmlFuzzOutputClose(void *ctxt);
+
+size_t
+xmlFuzzMutateChunks(const xmlFuzzChunkDesc *chunks,
+                    char *data, size_t size, size_t maxSize, unsigned seed,
+                    xmlFuzzMutator mutator);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __XML_FUZZERCOMMON_H__ */
+