static int serverinfo_srv_cb(SSL *s, unsigned short ext_type,
const unsigned char **out, unsigned short *outlen,
void *arg)
{
const unsigned char *serverinfo = NULL;
size_t serverinfo_length = 0;
/* Is there a serverinfo for the chosen server cert? */
if ((ssl_get_server_cert_serverinfo(s, &serverinfo,
&serverinfo_length)) != 0)
{
/* Find the relevant extension from the serverinfo */
serverinfo_find_extension(serverinfo, serverinfo_length,
ext_type, out, outlen);
}
return 1;
}
static int serverinfo_srv_add_cb(SSL *s, unsigned int ext_type,
const unsigned char **out, size_t *outlen,
int *al, void *arg)
{
const unsigned char *serverinfo = NULL;
size_t serverinfo_length = 0;
/* Is there serverinfo data for the chosen server cert? */
if ((ssl_get_server_cert_serverinfo(s, &serverinfo,
&serverinfo_length)) != 0)
{
/* Find the relevant extension from the serverinfo */
int retval = serverinfo_find_extension(serverinfo, serverinfo_length,
ext_type, out, outlen);
if (retval == 0)
return 0; /* Error */
if (retval == -1)
return -1; /* No extension found, don't send extension */
return 1; /* Send extension */
}
return -1; /* No serverinfo data found, don't send extension */
}
static int serverinfo_srv_second_cb(SSL *s, unsigned short ext_type,
const unsigned char **out, unsigned short *outlen,
int *al, void *arg)
{
const unsigned char *serverinfo = NULL;
size_t serverinfo_length = 0;
size_t i = 0;
unsigned int match = 0;
/* Did the client send a TLS extension for this type? */
for (i = 0; i < s->s3->serverinfo_client_tlsext_custom_types_count; i++)
{
if (s->s3->serverinfo_client_tlsext_custom_types[i] == ext_type)
{
match = 1;
break;
}
}
if (!match)
{
/* extension not sent by client...don't send extension */
return -1;
}
/* Is there serverinfo data for the chosen server cert? */
if ((ssl_get_server_cert_serverinfo(s, &serverinfo,
&serverinfo_length)) != 0)
{
/* Find the relevant extension from the serverinfo */
int retval = serverinfo_find_extension(serverinfo, serverinfo_length,
ext_type, out, outlen);
if (retval == 0)
return 0; /* Error */
if (retval == -1)
return -1; /* No extension found, don't send extension */
return 1; /* Send extension */
}
return -1; /* No serverinfo data found, don't send extension */
}
