[xmlsec] Re: Memory leaks

[Aleksey Sanin]

I am sorry, but I prefer to answer on XMLSec related questions in the 
mailing list.
It saves my time because others can read answers there instead of asking me.

Please try to the following:

    /*
     * Init OpenSSL
     */
    OpenSSL_add_all_algorithms();
    if((RAND_status() != 1) && (app_RAND_load_file(NULL) != 1)) {
        fprintf(stderr, "Failed to initialize random numbers\n");
        return(-1);
    }  
    /*
     * Init libxml
     */    
    xmlInitParser();
    LIBXML_TEST_VERSION

    /*
     * Init xmlsec
     */
    xmlSecInit();   

     keysMngr = xmlSecSimpleKeysMngrCreate();
    if(keyMgr != NULL) {
      xmlSecSimpleKeysMngrDestroy(keyMgr);
    }
   
    /**
     * Shutdown xmlsec
     */
    xmlSecShutdown();
   
    /*
     * Shutdown libxslt/libxml
     */
#ifndef XMLSEC_NO_XSLT
    xsltCleanupGlobals();           
#endif /* XMLSEC_NO_XSLT */
    xmlCleanupParser();

    /**
     * Shutdown OpenSSL
     */   
    app_RAND_write_file(NULL);
    RAND_cleanup();
    EVP_cleanup();   
#ifndef XMLSEC_NO_X509
    X509_TRUST_cleanup();
#endif /* XMLSEC_NO_X509 */   
#ifndef XMLSEC_OPENSSL096
    CRYPTO_cleanup_all_ex_data();
#endif /* XMLSEC_OPENSSL096 */    


Aleksey.

kathy.nguyen at sspsolutions.com wrote:

> Sorry for not using the xmlsec mailing list because I don't want my 
> silly question posted on the net.  Please accept my apology.  I 
> noticed the memory leaks in the Output window during debugging (I'm 
> using MS Visual C++.NET).  If I used xmlMemDisplay(outfile), then 
> there was no memory allocated (MEMORY ALLOCATED : 0, MAX was 26587) as 
> reported in the file.  Below here is the report from MS Visual 
> C++.NET.  Thank you so much for your support.
>
> Detected memory leaks!
> Dumping objects ->
> {3814} normal block at 0x01E174A8, 12 bytes long.
>  Data: < r       w  > 00 72 E1 01 00 00 00 00 A4 77 00 00
> {3813} normal block at 0x01E17428, 64 bytes long.
>  Data: <                > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> {3812} normal block at 0x01E17388, 96 bytes long.
>  Data: <(t  | u o u     > 28 74 E1 01 7C A0 75 00 6F A0 75 00 08 00 00 00
> {3811} normal block at 0x01E17200, 332 bytes long.
>  Data: <4               > 34 09 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> {3791} normal block at 0x01E170B8, 12 bytes long.
>  Data: < o          > D0 6F E1 01 00 00 00 00 04 00 00 00
> {3790} normal block at 0x01E17068, 16 bytes long.
>  Data: <                > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> {3789} normal block at 0x01E17018, 20 bytes long.
>  Data: <    hp          > 00 00 00 00 68 70 E1 01 00 00 00 00 04 00 00 00
> {3788} normal block at 0x01E16FD0, 12 bytes long.
>  Data: <     p      > 04 00 00 00 18 70 E1 01 00 00 00 00
> {3787} normal block at 0x01E16F50, 64 bytes long.
>  Data: <                > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> {3786} normal block at 0x01E16EB0, 96 bytes long.
>  Data: <Po   ,q  ,q     > 50 6F E1 01 D7 2C 71 00 CD 2C 71 00 08 00 00 00
> {108} normal block at 0x00AB6380, 4 bytes long.
>  Data: <    > 8C 03 0C 10
> Object dump complete.
> The program '[2360] nsesignature_test.exe: Native' has exited with 
> code 0 (0x0).
>
> -----Original Message-----
> From: Aleksey Sanin [mailto:aleksey at aleksey.com]
> Sent: Tuesday, November 26, 2002 9:55 AM
> To: kathy.nguyen at sspsolutions.com; xmlsec mailing list
> Subject: Re: Memory leaks
>
>
> Do you have any print outs that show where the memory leak happens?
> Also use xmlsec mailing list, please.
>
> Aleksey.
>
> kathy.nguyen at sspsolutions.com wrote:
>
> > Hi Aleksey,
> >
> > I got the memory leaks when I called xmlSecSimpleKeysMngrCreate(), and
> > followed by xmlSecSimpleKeysMngrDestroy().  I commented out the code
> > between them just for figuring out what caused the memory leaks. 
> > Thank you in advance for answering my question.
> >
> >
> > while (RAND_status() != 1)
> >    RAND_seed(&rnd_seed, sizeof(rnd_seed));
> > xmlInitParser();
> > LIBXML_TEST_VERSION           
> > xmlSecInit();
> > keysMngr = xmlSecSimpleKeysMngrCreate();
> > xmlSecSimpleKeysMngrDestroy(keysMngr); 
> > xmlSecShutdown();
> > xmlCleanupParser();
> > RAND_cleanup();
> > ERR_clear_error();
> >
> > Regards,
> > Kathy Nguyen
> >
>