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comparison src/share/vm/classfile/classLoader.cpp @ 20730:8210e5f2e21b

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8044269: Analysis of archive files. Summary: Add checksum verification. Reviewed-by: iklam, dholmes, mschoene
author jiangli
date Tue, 12 Aug 2014 17:46:16 -0400
parents 78bbf4d43a14
children eaf39a954227 8cb56c8cb30d
comparison
equal deleted inserted replaced
20729:609faa407cfd 20730:8210e5f2e21b
82 typedef void (JNICALL *ZipClose_t)(jzfile *zip); 82 typedef void (JNICALL *ZipClose_t)(jzfile *zip);
83 typedef jzentry* (JNICALL *FindEntry_t)(jzfile *zip, const char *name, jint *sizeP, jint *nameLen); 83 typedef jzentry* (JNICALL *FindEntry_t)(jzfile *zip, const char *name, jint *sizeP, jint *nameLen);
84 typedef jboolean (JNICALL *ReadEntry_t)(jzfile *zip, jzentry *entry, unsigned char *buf, char *namebuf); 84 typedef jboolean (JNICALL *ReadEntry_t)(jzfile *zip, jzentry *entry, unsigned char *buf, char *namebuf);
85 typedef jboolean (JNICALL *ReadMappedEntry_t)(jzfile *zip, jzentry *entry, unsigned char **buf, char *namebuf); 85 typedef jboolean (JNICALL *ReadMappedEntry_t)(jzfile *zip, jzentry *entry, unsigned char **buf, char *namebuf);
86 typedef jzentry* (JNICALL *GetNextEntry_t)(jzfile *zip, jint n); 86 typedef jzentry* (JNICALL *GetNextEntry_t)(jzfile *zip, jint n);
87 typedef jint (JNICALL *Crc32_t)(jint crc, const jbyte *buf, jint len);
87 88
88 static ZipOpen_t ZipOpen = NULL; 89 static ZipOpen_t ZipOpen = NULL;
89 static ZipClose_t ZipClose = NULL; 90 static ZipClose_t ZipClose = NULL;
90 static FindEntry_t FindEntry = NULL; 91 static FindEntry_t FindEntry = NULL;
91 static ReadEntry_t ReadEntry = NULL; 92 static ReadEntry_t ReadEntry = NULL;
92 static ReadMappedEntry_t ReadMappedEntry = NULL; 93 static ReadMappedEntry_t ReadMappedEntry = NULL;
93 static GetNextEntry_t GetNextEntry = NULL; 94 static GetNextEntry_t GetNextEntry = NULL;
94 static canonicalize_fn_t CanonicalizeEntry = NULL; 95 static canonicalize_fn_t CanonicalizeEntry = NULL;
96 static Crc32_t Crc32 = NULL;
95 97
96 // Globals 98 // Globals
97 99
98 PerfCounter* ClassLoader::_perf_accumulated_time = NULL; 100 PerfCounter* ClassLoader::_perf_accumulated_time = NULL;
99 PerfCounter* ClassLoader::_perf_classes_inited = NULL; 101 PerfCounter* ClassLoader::_perf_classes_inited = NULL;
630 ZipClose = CAST_TO_FN_PTR(ZipClose_t, os::dll_lookup(handle, "ZIP_Close")); 632 ZipClose = CAST_TO_FN_PTR(ZipClose_t, os::dll_lookup(handle, "ZIP_Close"));
631 FindEntry = CAST_TO_FN_PTR(FindEntry_t, os::dll_lookup(handle, "ZIP_FindEntry")); 633 FindEntry = CAST_TO_FN_PTR(FindEntry_t, os::dll_lookup(handle, "ZIP_FindEntry"));
632 ReadEntry = CAST_TO_FN_PTR(ReadEntry_t, os::dll_lookup(handle, "ZIP_ReadEntry")); 634 ReadEntry = CAST_TO_FN_PTR(ReadEntry_t, os::dll_lookup(handle, "ZIP_ReadEntry"));
633 ReadMappedEntry = CAST_TO_FN_PTR(ReadMappedEntry_t, os::dll_lookup(handle, "ZIP_ReadMappedEntry")); 635 ReadMappedEntry = CAST_TO_FN_PTR(ReadMappedEntry_t, os::dll_lookup(handle, "ZIP_ReadMappedEntry"));
634 GetNextEntry = CAST_TO_FN_PTR(GetNextEntry_t, os::dll_lookup(handle, "ZIP_GetNextEntry")); 636 GetNextEntry = CAST_TO_FN_PTR(GetNextEntry_t, os::dll_lookup(handle, "ZIP_GetNextEntry"));
637 Crc32 = CAST_TO_FN_PTR(Crc32_t, os::dll_lookup(handle, "ZIP_CRC32"));
635 638
636 // ZIP_Close is not exported on Windows in JDK5.0 so don't abort if ZIP_Close is NULL 639 // ZIP_Close is not exported on Windows in JDK5.0 so don't abort if ZIP_Close is NULL
637 if (ZipOpen == NULL || FindEntry == NULL || ReadEntry == NULL || GetNextEntry == NULL) { 640 if (ZipOpen == NULL || FindEntry == NULL || ReadEntry == NULL ||
641 GetNextEntry == NULL || Crc32 == NULL) {
638 vm_exit_during_initialization("Corrupted ZIP library", path); 642 vm_exit_during_initialization("Corrupted ZIP library", path);
639 } 643 }
640 644
641 // Lookup canonicalize entry in libjava.dll 645 // Lookup canonicalize entry in libjava.dll
642 void *javalib_handle = os::native_java_library(); 646 void *javalib_handle = os::native_java_library();
643 CanonicalizeEntry = CAST_TO_FN_PTR(canonicalize_fn_t, os::dll_lookup(javalib_handle, "Canonicalize")); 647 CanonicalizeEntry = CAST_TO_FN_PTR(canonicalize_fn_t, os::dll_lookup(javalib_handle, "Canonicalize"));
644 // This lookup only works on 1.3. Do not check for non-null here 648 // This lookup only works on 1.3. Do not check for non-null here
649 }
650
651 int ClassLoader::crc32(int crc, const char* buf, int len) {
652 assert(Crc32 != NULL, "ZIP_CRC32 is not found");
653 return (*Crc32)(crc, (const jbyte*)buf, len);
645 } 654 }
646 655
647 // PackageInfo data exists in order to support the java.lang.Package 656 // PackageInfo data exists in order to support the java.lang.Package
648 // class. A Package object provides information about a java package 657 // class. A Package object provides information about a java package
649 // (version, vendor, etc.) which originates in the manifest of the jar 658 // (version, vendor, etc.) which originates in the manifest of the jar