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add-environment-variable-ZIP_INVALID_LOC_HEADER_EXIT.patch 2.38 KB
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diff --git a/jdk/src/share/native/java/util/zip/zip_util.c b/jdk/src/share/native/java/util/zip/zip_util.c
index 5fd6fea04..3dbd2ba62 100644
--- a/jdk/src/share/native/java/util/zip/zip_util.c
+++ b/jdk/src/share/native/java/util/zip/zip_util.c
@@ -78,6 +78,22 @@ static void freeCEN(jzfile *);
static jint INITIAL_META_COUNT = 2; /* initial number of entries in meta name array */
+#ifdef LINUX
+#define ZIP_INVALID_LOC_HEADER_EXIT "ZIP_INVALID_LOC_HEADER_EXIT"
+
+char *getExitFlag() {
+ static char *process_exit_flag = NULL;
+ static jboolean is_initialized = JNI_FALSE;
+ if (is_initialized) {
+ return process_exit_flag;
+ }
+ process_exit_flag = getenv(ZIP_INVALID_LOC_HEADER_EXIT);
+ is_initialized = JNI_TRUE;
+ return process_exit_flag;
+}
+
+#endif
+
/*
* The ZFILE_* functions exist to provide some platform-independence with
* respect to file access needs.
@@ -1322,6 +1338,32 @@ ZIP_GetEntryDataOffset(jzfile *zip, jzentry *entry)
}
if (GETSIG(loc) != LOCSIG) {
zip->msg = "invalid LOC header (bad signature)";
+ printf("[LOC-ERROR] LOC check failed, %s\n", zip->msg);
+ printf("[LOC-ERROR] LOC check failed for jar: %s, class: %s, LOC: %08lx, pos:%ld\n",
+ zip->name, entry->name, GETSIG(loc), (-(entry->pos)));
+ unsigned int *temp = (unsigned int *) loc;
+ printf("[LOC-ERROR] LOC check failed, readVal: %08x %08x %08x %08x %08x %08x %08x %02x %02x\n",
+ *temp, *(temp + 1), *(temp + 2), *(temp + 3), *(temp + 4),
+ *(temp + 5), *(temp + 6), loc[28], loc[29]);
+
+#ifdef LINUX
+#define ZIP_INVALID_LOC_HEADER_EXIT_ONLY "1"
+#define ZIP_INVALID_LOC_HEADER_EXIT_CODE_DUMP "2"
+ /*
+ * The meaning of the exit flag is as follows:
+ * 1: exit (126)
+ * 2: core dump
+ * others: throws ZipException
+ */
+ char *exitFlag = getExitFlag();
+ if (exitFlag != NULL) {
+ if (strcmp(exitFlag, ZIP_INVALID_LOC_HEADER_EXIT_ONLY) == 0) {
+ exit(126);
+ } else if (strcmp(exitFlag, ZIP_INVALID_LOC_HEADER_EXIT_CODE_DUMP) == 0) {
+ abort();
+ }
+ }
+#endif
return -1;
}
entry->pos = (- entry->pos) + LOCHDR + LOCNAM(loc) + LOCEXT(loc);
--
2.12.3
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