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Re: [libvirt] [PATCH 1/3] tests: Add mock for virRandomBytes



On Wed, May 18, 2016 at 19:52:30 -0400, John Ferlan wrote:
> Create a mock for virRandomBytes to generate a not so random value that
> can be used by the tests to ensure the generation of an encrypted secret
> by masterKey and random initialization vector can produce an expected
> result.  The "random number" generated is based upon the size of the
> expected stream of bytes being returned where each byte in the result
> gets the index of the array - hence a 4 byte array returns 0x00010203.
> 
> Signed-off-by: John Ferlan <jferlan redhat com>
> ---
>  tests/qemuxml2argvmock.c | 31 ++++++++++++++++++++++++++++++-
>  1 file changed, 30 insertions(+), 1 deletion(-)
> 
> diff --git a/tests/qemuxml2argvmock.c b/tests/qemuxml2argvmock.c
> index 1616eed..dade748 100644
> --- a/tests/qemuxml2argvmock.c
> +++ b/tests/qemuxml2argvmock.c

[...]

> @@ -145,3 +152,25 @@ virCommandPassFD(virCommandPtr cmd ATTRIBUTE_UNUSED,
>  {
>      /* nada */
>  }
> +
> +int
> +virRandomBytes(unsigned char *buf,
> +               size_t buflen)
> +{
> +    size_t i;
> +
> +    for (i = 0; i < buflen; i++)
> +        buf[i] = i;
> +
> +    return 0;
> +}
> +
> +#ifdef WITH_GNUTLS
> +int
> +gnutls_rnd(gnutls_rnd_level_t level ATTRIBUTE_UNUSED,
> +           void *data,
> +           size_t len)
> +{
> +    return virRandomBytes(data, len);
> +#endif

As I've pointed out last time, this won't compile without gnutls.

> +}

Peter

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