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Subject: Re: Allow authentication to be passed in memory - blast from the past

Re: Allow authentication to be passed in memory - blast from the past

From: David Calavera <david.calavera_at_gmail.com>
Date: Wed, 10 Sep 2014 13:27:53 -0700

Hi everyone,

I was wondering if anyone had time to review my patch. I've been using it
in my staging and testing environments and it's working nicely. I'm not
sure if that's any indication that the patch is good to be merged but I'd
like to know what people think.

Please, feel free to comment in the commit directly if that helps to
address the possible issues with the code.

https://github.com/calavera/libssh2/commit/2b75806bc60116af5b834508abc9bfc3a9039cb5
<https://github.com/calavera/libssh2/commit/2b75806bc60116af5b834508abc9bfc3a9039cb5.patch>

Thanks,
David

On Mon, Sep 1, 2014 at 9:48 PM, David Calavera <david.calavera_at_gmail.com>
wrote:

> I added the documentation back, extending it to the macro.
>
> I've also fixed the reference to the initPEMFromMemory functions that
> weren't being assigned. This is the full patch:
>
>
> https://github.com/calavera/libssh2/commit/2b75806bc60116af5b834508abc9bfc3a9039cb5.patch
>
>
> On Mon, Sep 1, 2014 at 8:58 PM, David Calavera <david.calavera_at_gmail.com>
> wrote:
>
>> I cleaned up some warnings that I detected and put together another patch:
>>
>>
>> https://github.com/calavera/libssh2/commit/2b75806bc60116af5b834508abc9bfc3a9039cb5.patch
>>
>> I also created a macro for the initial prototype:
>>
>> +#define libssh2_userauth_publickey_frommemory(session, username, publickey, \
>> + privatekey, passphrase) \
>> + libssh2_userauth_publickey_frommemory_ex((session), (username), \
>> + (unsigned int)strlen(username), \
>> + (publickey), \
>> + (unsigned int)strlen(publickey), \
>> + (privatekey), \
>> + (unsigned int)strlen(privatekey), \
>> + (passphrase))
>>
>> I just realized that I didn't apply the changes for the documentation of
>> this new authentication. I'll add it shortly.
>>
>> I'd really appreciate some feedback.
>>
>> Cheers,
>> David
>>
>>
>> On Mon, Sep 1, 2014 at 4:06 PM, David Calavera <david.calavera_at_gmail.com>
>> wrote:
>>
>>> Hi,
>>>
>>> I was doing some digging to see how I could pass auth keys by memory
>>> when I discovered this old thread from 2012 with a patch:
>>>
>>> http://www.libssh2.org/mail/libssh2-devel-archive-2012-01/0015.shtml
>>>
>>> I'm really interested in seeing this incorporated to libssh2, so I decided to try to address the problems raised in the next message in that thread:
>>>
>>> http://www.libssh2.org/mail/libssh2-devel-archive-2012-01/0016.shtml
>>>
>>> I created a new patch that addressed part those points. You can see it
>>> at:
>>>
>>>
>>> https://github.com/calavera/libssh2/commit/d083300c69f41eff6132da3525722fc590e350cf.patch
>>>
>>> I replaced the use of `memcpy_s` to use `memcpy`. I also formatted the
>>> code to use less that 80 columns.
>>>
>>> I ran `./configure --enable-debug` to try to address the warnings in the
>>> code, but unfortunately I didn't get any. I'm not sure if I'm doing
>>> anything wrong, I posted the output here:
>>>
>>> https://gist.github.com/calavera/639002dd56753640721d
>>>
>>> I'd really appreciate if anybody could point me to those warnings if
>>> there is anything I'm missing.
>>>
>>> As I said, I'm really interested in seeing this merged into libssh2.
>>> Please, let me know if there is anything else I can help with to make that
>>> possible.
>>>
>>> Cheers,
>>> David
>>>
>>>
>>
>

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Received on 2014-09-10

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