ok
Direktori : /opt/cpanel/ea-libxml2/share/doc/libxml2/python/examples/ |
Current File : //opt/cpanel/ea-libxml2/share/doc/libxml2/python/examples/xpathleak.py |
#!/usr/bin/env python3 import setup_test import libxml2 import sys libxml2.debugMemory(True) expect="""--> Invalid expression --> Invalid expression --> Invalid expression --> Invalid expression --> Invalid expression --> Invalid expression --> Invalid expression --> Invalid expression --> Invalid expression --> Invalid expression """ err="" def callback(ctx, str): global err err = err + "%s %s" % (ctx, str) libxml2.registerErrorHandler(callback, "-->") doc = libxml2.parseDoc("<fish/>") ctxt = doc.xpathNewContext() ctxt.setContextNode(doc) badexprs = ( ":false()", "bad:()", "bad(:)", ":bad(:)", "bad:(:)", "bad:bad(:)", "a:/b", "/c:/d", "//e:/f", "g://h" ) for expr in badexprs: try: ctxt.xpathEval(expr) except libxml2.xpathError: pass else: print("Unexpectedly legal expression:", expr) ctxt.xpathFreeContext() doc.freeDoc() if err != expect: print("error") print("received %s" %(err)) print("expected %s" %(expect)) sys.exit(1) libxml2.cleanupParser() leakedbytes = libxml2.debugMemory(True) if leakedbytes == 0: print("OK") else: print("Memory leak", leakedbytes, "bytes")