On 02-10-12 19:55, Bill Lear wrote:
> I have an unusual situation with an embedded SSL client using libcurl.
>
> I need to send a client certificate to the server for validation even though
> the client does not validate the server certificate. (CURLOPT_SSL_VERIFYPEER
> = 0)
>
> Is this possible? I have confirmed that I can establish a connection when I
> supply a CACert bundle and set VERIFYPEER = 1, but the connection is refused
> when I set VERIFYPEER = 0.
>
> Thanks,
>
> Bill
Hi,
Do you have more information on how/why it failed. For example by using the
verbose output?
There are two options to toggle:
curl_easy_setopt(hc->curl, CURLOPT_SSL_VERIFYPEER, 1L);
curl_easy_setopt(hc->curl, CURLOPT_SSL_VERIFYHOST, 2L);
Details are available in the documentation. Setting both to zero is equal to
the "-k" option.
If you also want to remove the usage of the default included CA bundle (this
is an add-on to the previous options), then you could write a small SSL_CTX
callback function:
curl_easy_setopt(hc->curl, CURLOPT_SSL_CTX_FUNCTION, *sslctx_function);
This callback function will prepare a bare SSL_CTX and by default is has no
default CA location inclusion, like the CA bundle file.
Oscar
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