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729601f157
* xpath.c: plug some leaks when parsing misformed XPath expressions * python/tests/xpathleak.py: expand the regression tests for those
66 lines
1.5 KiB
Python
66 lines
1.5 KiB
Python
#!/usr/bin/python
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import sys, libxml2
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libxml2.debugMemory(True)
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expect="""--> Invalid expression
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--> xmlXPathEval: evaluation failed
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--> Invalid expression
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--> xmlXPathEval: evaluation failed
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--> Invalid expression
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--> xmlXPathEval: evaluation failed
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--> Invalid expression
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--> xmlXPathEval: evaluation failed
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--> Invalid expression
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--> xmlXPathEval: evaluation failed
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--> Invalid expression
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--> xmlXPathEval: evaluation failed
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--> Invalid expression
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--> xmlXPathEval: evaluation failed
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--> Invalid expression
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--> xmlXPathEval: evaluation failed
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--> Invalid expression
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--> xmlXPathEval: evaluation failed
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--> Invalid expression
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--> xmlXPathEval: evaluation failed
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"""
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err=""
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def callback(ctx, str):
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global err
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err = err + "%s %s" % (ctx, str)
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libxml2.registerErrorHandler(callback, "-->")
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doc = libxml2.parseDoc("<fish/>")
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ctxt = doc.xpathNewContext()
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ctxt.setContextNode(doc)
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badexprs = (
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":false()", "bad:()", "bad(:)", ":bad(:)", "bad:(:)", "bad:bad(:)",
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"a:/b", "/c:/d", "//e:/f", "g://h"
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)
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for expr in badexprs:
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try:
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ctxt.xpathEval(expr)
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except libxml2.xpathError, e:
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pass
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else:
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print "Unexpectedly legal expression:", expr
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ctxt.xpathFreeContext()
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doc.freeDoc()
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if err != expect:
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print "error"
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print "received %s" %(err)
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print "expected %s" %(expect)
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sys.exit(1)
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libxml2.cleanupParser()
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leakedbytes = libxml2.debugMemory(True)
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if leakedbytes == 0:
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print "OK"
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else:
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print "Memory leak", leakedbytes, "bytes"
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# drop file to .memdump file in cwd, but won't work if not compiled in
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libxml2.dumpMemory()
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