[openssl.org #44] OpenSSL_add_all_algorithms problems in Win32
I think the thing to do is pthread_once (and its equivalent on Windows) for these global init functions. __ OpenSSL Project http://www.openssl.org Development Mailing List openssl-dev@openssl.org Automated List Manager majord...@openssl.org
Re: [openssl.org #44] OpenSSL_add_all_algorithms problems in Win32
What would be the best equivalent yo pthread_once on Windows ? I was once looking for one, and back then, years ago, I didnt like the choices. -- Original Message -- I think the thing to do is pthread_once (and its equivalent on Windows) for these global init functions. __ OpenSSL Project http://www.openssl.org Development Mailing List openssl-dev@openssl.org Automated List Manager majord...@openssl.org __ OpenSSL Project http://www.openssl.org Development Mailing List openssl-dev@openssl.org Automated List Manager majord...@openssl.org
RE: [openssl.org #44] OpenSSL_add_all_algorithms problems in Win32
From: owner-openssl-...@openssl.org [mailto:owner-openssl-...@openssl.org] On Behalf Of Erik Forsberg What would be the best equivalent yo pthread_once on Windows ? I was once looking for one, and back then, years ago, I didnt like the choices. Perhaps http://msdn.microsoft.com/en-us/library/aa363808%28v=VS.85%29.aspx ? -- Principal Security Engineer Akamai Technologies, Cambridge, MA IM: rs...@jabber.me; Twitter: RichSalz __ OpenSSL Project http://www.openssl.org Development Mailing List openssl-dev@openssl.org Automated List Manager majord...@openssl.org
RE: [openssl.org #44] OpenSSL_add_all_algorithms problems in Win32
From: owner-openssl-...@openssl.org [mailto:owner-openssl-...@openssl.org] On Behalf Of Erik Forsberg What would be the best equivalent yo pthread_once on Windows ? I was once looking for one, and back then, years ago, I didnt like the choices. Perhaps http://msdn.microsoft.com/en-us/library/aa363808%28v=VS.85%29.aspx ? -- Principal Security Engineer Akamai Technologies, Cambridge, MA IM: rs...@jabber.me; Twitter: RichSalz __ OpenSSL Project http://www.openssl.org Development Mailing List openssl-dev@openssl.org Automated List Manager majord...@openssl.org
RE: [openssl.org #44] OpenSSL_add_all_algorithms problems in Win32
yes, today I would use that one. Back then, XP was required, an this function was only in Vista and Server 2008. Thanks for reminding me -:) -- Original Message -- From: owner-openssl-...@openssl.org [mailto:owner-openssl-...@openssl.org] On Behalf Of Erik Forsberg What would be the best equivalent yo pthread_once on Windows ? I was once looking for one, and back then, years ago, I didnt like the choices. Perhaps http://msdn.microsoft.com/en-us/library/aa363808%28v=VS.85%29.aspx ? -- Principal Security Engineer Akamai Technologies, Cambridge, MA IM: rs...@jabber.me; Twitter: RichSalz __ OpenSSL Project http://www.openssl.org Development Mailing List openssl-dev@openssl.org Automated List Manager majord...@openssl.org __ OpenSSL Project http://www.openssl.org Development Mailing List openssl-dev@openssl.org Automated List Manager majord...@openssl.org
[openssl.org #44] OpenSSL_add_all_algorithms problems in Win32
Hi: I´m having ugly crashes in Win32 when I call several times OpenSSL_add_all_algoritms(), mainly when I use my C code from Visual Basic but also if I use several DLLs. The problem comes up if I call that funcion from several C DLLs to initialize library. I think that it would be useful to have an static variable inside OpenSSL_add_all_algoritms(), in such a way initialized that only one time the initialize is made.This way , no matter how many times from no matter which other DLLs I call the function it only gets initialized one time. In short way, to use a singleton. I have debugged my code a lot, used purify...etc and I think the problem is not in OpenSSL or my C code (is working under heavy pressure in other programs),but in the extrange things with COM apartments and threads, and I suppose this change in library would not break compatibility much. It would be possible such a change or similar?.If you know another solution I would like to hear... Thank you Pablo J. Royo __ OpenSSL Project http://www.openssl.org Development Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED]
Re: [openssl.org #44] OpenSSL_add_all_algorithms problems in Win32
Are you sure your problem is in OpenSSL_add_all_algorithms() and not a call to RAND_poll()? Many of the methods used in RAND_poll() to collect random data are incompatible with COM when called from within DLL initializers. Hi: I´m having ugly crashes in Win32 when I call several times OpenSSL_add_all_algoritms(), mainly when I use my C code from Visual Basic but also if I use several DLLs. The problem comes up if I call that funcion from several C DLLs to initialize library. I think that it would be useful to have an static variable inside OpenSSL_add_all_algoritms(), in such a way initialized that only one time the initialize is made.This way , no matter how many times from no matter which other DLLs I call the function it only gets initialized one time. In short way, to use a singleton. I have debugged my code a lot, used purify...etc and I think the problem is not in OpenSSL or my C code (is working under heavy pressure in other programs),but in the extrange things with COM apartments and threads, and I suppose this change in library would not break compatibility much. It would be possible such a change or similar?.If you know another solution I would like to hear... Thank you Pablo J. Royo __ OpenSSL Project http://www.openssl.org Development Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED] Jeffrey Altman * Sr.Software Designer Kermit 95 1.1.21 available now!!! The Kermit Project @ Columbia University SSH plus Telnet, FTP and HTTP http://www.kermit-project.org/ secured with Kerberos, SRP, and [EMAIL PROTECTED]OpenSSL. __ OpenSSL Project http://www.openssl.org Development Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED]
Re: [openssl.org #44] OpenSSL_add_all_algorithms problems in Win32
Hi Jeffrey: Are you sure your problem is in OpenSSL_add_all_algorithms() and not a call to RAND_poll()? Many of the methods used in RAND_poll() to collect random data are incompatible with COM when called from within DLL initializers. Yes, I have seen it to happen several times in my debugger.I have the problematic code inside a try-catch and I see clearly an exception delivered when execution reaches OpenSSL_add_all_algoritms(). And it isn't the first time this happens to me.Other program I made had a very similar problem (also using COM ) but that time I fixed moving my calls to OpenSSL_add... to be called only one time. I would like to give you a piece of this code, but the calls are so nested and in so many places that it woldn't be useful. I wonder it there would be a method to select only desired ciphers and digests (OpenSLL_add_all_algoritms() would be excessive) in DLLEntryPoint(), called at loading program only one time. Thank you Pablo J. Royo __ OpenSSL Project http://www.openssl.org Development Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED]
Re: [openssl.org #44] OpenSSL_add_all_algorithms problems in Win32
Take a look at the source code for OpenSSL_add_all_algorithms(). For each cipher there is a block of code to initialize it. Simply initialize the ones you want in your code. There is no requirement that OpenSSL_add_all_algorithms() be called. Although, I would be interested in where the exception is being generated. Since you are in a debugger, can you present the stack trace for libeay32.dll when built with debug info? Hi Jeffrey: Are you sure your problem is in OpenSSL_add_all_algorithms() and not a call to RAND_poll()? Many of the methods used in RAND_poll() to collect random data are incompatible with COM when called from within DLL initializers. Yes, I have seen it to happen several times in my debugger.I have the problematic code inside a try-catch and I see clearly an exception delivered when execution reaches OpenSSL_add_all_algoritms(). And it isn't the first time this happens to me.Other program I made had a very similar problem (also using COM ) but that time I fixed moving my calls to OpenSSL_add... to be called only one time. I would like to give you a piece of this code, but the calls are so nested and in so many places that it woldn't be useful. I wonder it there would be a method to select only desired ciphers and digests (OpenSLL_add_all_algoritms() would be excessive) in DLLEntryPoint(), called at loading program only one time. Thank you Pablo J. Royo __ OpenSSL Project http://www.openssl.org Development Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED] Jeffrey Altman * Sr.Software Designer Kermit 95 1.1.21 available now!!! The Kermit Project @ Columbia University SSH plus Telnet, FTP and HTTP http://www.kermit-project.org/ secured with Kerberos, SRP, and [EMAIL PROTECTED]OpenSSL. __ OpenSSL Project http://www.openssl.org Development Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED]
Re: [openssl.org #44] OpenSSL_add_all_algorithms problems in Win32
Hi: Take a look at the source code for OpenSSL_add_all_algorithms(). For each cipher there is a block of code to initialize it. Simply initialize the ones you want in your code. There is no requirement that OpenSSL_add_all_algorithms() be called. The problem is that as this are COMponents I can't to know from where they will be called, so althought I put a single cipher initialization in one place of my code, some other component can also to initialize the same cipher in other place and then the problem remains.For example, I have a component to do signing and other to do SSL.And both must do some kind of algorithm initialization, because they can also be called separatedly (sorry for my english,I mean they can be called alone). So its very difficult to know if you have put too much initializations or not. Although, I would be interested in where the exception is being generated. Since you are in a debugger, can you present the stack trace for libeay32.dll when built with debug info? I will try it on Monday again.But what I see is only a lot of hex addresses and no back trace.It is as if crash had corrupted also the stack.I don't know...The variables and all seems OK just one step before the OpenSSL_add_all_algoritms(). thanks again Pablo J. Royo __ OpenSSL Project http://www.openssl.org Development Mailing List [EMAIL PROTECTED] Automated List Manager [EMAIL PROTECTED]
