BTW... I am using GnuTLS 2.8.5
________________________________________
From: LATZE Carolin
Sent: Monday, January 11, 2010 4:48 PM
To: [email protected]
Subject: gnutls_x509_crt_import fails with INVALID REQUEST
Hi everybody,
I wrote a very small client and server example using
gnutls_certificate_set_x509_key_file(xcred,CERTFILE,KEYFILE,GNUTLS_X509_FMT_PEM);
to read the client's certificate and key out of files. That lead to a
successful handshake. Now I want to use the callback to choose the right client
certificate during the handshake. In order to so, I replace the function above
with
gnutls_certificate_client_set_retrieve_function (xcred, cert_callback);
Furthermore, I defined a callback, that is really executed. Inside the
callback, I wanted the read the same client certificate I used in the first
example using the following functions out of the samples:
static gnutls_datum_t
load_file (const char *file)
{
FILE *f;
gnutls_datum_t loaded_file = { NULL, 0 };
long filelen;
void *ptr;
if (!(f = fopen (file, "r"))
|| fseek (f, 0, SEEK_END) != 0
|| (filelen = ftell (f)) < 0
|| fseek (f, 0, SEEK_SET) != 0
|| !(ptr = malloc ((size_t) filelen))
|| fread (ptr, 1, (size_t) filelen, f) < (size_t) filelen)
{
return loaded_file;
}
loaded_file.data = ptr;
loaded_file.size = (unsigned int) filelen;
return loaded_file;
}
And afterwards:
static void
load_keys (void)
{
int ret;
gnutls_datum_t data;
data = load_file (CERTFILE);
if (data.data == NULL)
{
fprintf (stderr, "*** Error loading cert file.\n");
exit (1);
}
gnutls_x509_crt_init (&crt);
ret = gnutls_x509_crt_import (crt, &data, GNUTLS_X509_FMT_PEM);
if (ret < 0)
{
fprintf (stderr, "*** Error loading cert file: %s\n",
gnutls_strerror (ret));
exit (1);
}
and so on.... but gnutls_x509_crt_import fails with INVALID REQUEST.... Any
ideas why? This is exactly the same certificate. certtool as well as the first
example did not have any problem with that certificate so why does the import
method?
Regards
Carolin
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