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GnuTLS: Add support for ca_cert as a blob

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This allows GnuTLS to be used with trusted CA certificate from
wpa_supplicant blob rather than an external certificate file.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-01-11 01:48:44 +02:00
parent 224104ddf6
commit db4cf40b92
1 changed files with 28 additions and 1 deletions
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29
src/crypto/tls_gnutls.c
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@ -432,7 +432,6 @@ int tls_connection_set_params(void *tls_ctx, struct tls_connection *conn,
* to force peer validation(?) */
if (params->ca_cert) {
conn->verify_peer = 1;
ret = gnutls_certificate_set_x509_trust_file(
conn->xcred, params->ca_cert, GNUTLS_X509_FMT_PEM);
if (ret < 0) {
@ -450,6 +449,34 @@ int tls_connection_set_params(void *tls_ctx, struct tls_connection *conn,
return -1;
}
}
} else if (params->ca_cert_blob) {
gnutls_datum_t ca;
ca.data = (unsigned char *) params->ca_cert_blob;
ca.size = params->ca_cert_blob_len;
ret = gnutls_certificate_set_x509_trust_mem(
conn->xcred, &ca, GNUTLS_X509_FMT_PEM);
if (ret < 0) {
wpa_printf(MSG_DEBUG,
"Failed to parse CA cert in PEM format: %s",
gnutls_strerror(ret));
ret = gnutls_certificate_set_x509_trust_mem(
conn->xcred, &ca, GNUTLS_X509_FMT_DER);
if (ret < 0) {
wpa_printf(MSG_DEBUG,
"Failed to parse CA cert in DER format: %s",
gnutls_strerror(ret));
return -1;
}
}
} else if (params->ca_path) {
wpa_printf(MSG_INFO, "GnuTLS: ca_path not supported");
return -1;
}
if (params->ca_cert || params->ca_cert_blob) {
conn->verify_peer = 1;
if (params->flags & TLS_CONN_ALLOW_SIGN_RSA_MD5) {
gnutls_certificate_set_verify_flags(