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Merge pull request #300 from mrdeep1/no-ca-etc

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Support coap-client with no PKI or PSK defined, but using (D)TLS in GnuTLS
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obgm authored and GitHub committed 2019-02-27 09:45:21 +01:00
2 parents a6d58da83f b74aab1971
commit 9708ce172c
2 files changed
+11 -22
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include/coap2/coap_dtls.h
+1 -1
View File
@@ -129,7 +129,7 @@ typedef enum coap_asn1_privatekey_type_t {
* The enum used for determining the PKI key formats.
*/
typedef enum coap_pki_key_t {
COAP_PKI_KEY_PEM, /**< The PKI key type is PEM */
COAP_PKI_KEY_PEM = 0, /**< The PKI key type is PEM */
COAP_PKI_KEY_ASN1, /**< The PKI key type is ASN.1 (DER) */
} coap_pki_key_t;
src/coap_gnutls.c
+10 -21
View File
@@ -609,15 +609,15 @@ setup_pki_credentials(gnutls_certificate_credentials_t *pki_credentials,
{
int ret;
G_CHECK(gnutls_certificate_allocate_credentials(pki_credentials),
"gnutls_certificate_allocate_credentials");
switch (setup_data->pki_key.key_type) {
case COAP_PKI_KEY_PEM:
if (setup_data->pki_key.key.pem.public_cert &&
setup_data->pki_key.key.pem.public_cert[0] &&
setup_data->pki_key.key.pem.private_key &&
setup_data->pki_key.key.pem.private_key[0]) {
G_CHECK(gnutls_certificate_allocate_credentials(pki_credentials),
"gnutls_certificate_allocate_credentials");
G_CHECK(gnutls_certificate_set_x509_key_file(*pki_credentials,
setup_data->pki_key.key.pem.public_cert,
setup_data->pki_key.key.pem.private_key,
@@ -633,10 +633,6 @@ setup_pki_credentials(gnutls_certificate_credentials_t *pki_credentials,
}
if (setup_data->pki_key.key.pem.ca_file &&
setup_data->pki_key.key.pem.ca_file[0]) {
if (!*pki_credentials) {
G_CHECK(gnutls_certificate_allocate_credentials(pki_credentials),
"gnutls_certificate_allocate_credentials");
}
G_CHECK(gnutls_certificate_set_x509_trust_file(*pki_credentials,
setup_data->pki_key.key.pem.ca_file,
GNUTLS_X509_FMT_PEM),
@@ -680,10 +676,6 @@ setup_pki_credentials(gnutls_certificate_credentials_t *pki_credentials,
memcpy(&ca_cert.data, &setup_data->pki_key.key.asn1.ca_cert,
sizeof(ca_cert.data));
ca_cert.size = setup_data->pki_key.key.asn1.ca_cert_len;
if (!*pki_credentials) {
G_CHECK(gnutls_certificate_allocate_credentials(pki_credentials),
"gnutls_certificate_allocate_credentials");
}
G_CHECK(gnutls_certificate_set_x509_trust_mem(*pki_credentials,
&ca_cert,
GNUTLS_X509_FMT_DER),
@@ -698,10 +690,6 @@ setup_pki_credentials(gnutls_certificate_credentials_t *pki_credentials,
}
if (g_context->root_ca_file) {
if (!*pki_credentials) {
G_CHECK(gnutls_certificate_allocate_credentials(pki_credentials),
"gnutls_certificate_allocate_credentials");
}
G_CHECK(gnutls_certificate_set_x509_trust_file(*pki_credentials,
g_context->root_ca_file,
GNUTLS_X509_FMT_PEM),
@@ -709,10 +697,6 @@ setup_pki_credentials(gnutls_certificate_credentials_t *pki_credentials,
}
if (g_context->root_ca_path) {
#if (GNUTLS_VERSION_NUMBER >= 0x030306)
if (!*pki_credentials) {
G_CHECK(gnutls_certificate_allocate_credentials(pki_credentials),
"gnutls_certificate_allocate_credentials");
}
G_CHECK(gnutls_certificate_set_x509_trust_dir(*pki_credentials,
g_context->root_ca_path,
GNUTLS_X509_FMT_PEM),
@@ -905,7 +889,12 @@ setup_client_ssl_session(coap_session_t *c_session, coap_gnutls_env_t *g_env)
gnutls_free(psk_key.data);
}
if (g_context->psk_pki_enabled & IS_PKI) {
if ((g_context->psk_pki_enabled & IS_PKI) ||
(g_context->psk_pki_enabled & (IS_PSK | IS_PKI)) == 0) {
/*
* If neither PSK or PKI have been set up, use PKI basics.
* This works providing COAP_PKI_KEY_PEM has a value of 0.
*/
coap_dtls_pki_t *setup_data = &g_context->setup_data;
G_CHECK(setup_pki_credentials(&g_env->pki_credentials, g_context,
setup_data, COAP_DTLS_ROLE_CLIENT),
@@ -920,7 +909,7 @@ setup_client_ssl_session(coap_session_t *c_session, coap_gnutls_env_t *g_env)
&g_context->alpn_proto, 1, 0),
"gnutls_alpn_set_protocols");
/* Issue SNI if requested */
/* Issue SNI if requested (only happens if PKI defined) */
if (setup_data->client_sni) {
G_CHECK(gnutls_server_name_set(g_env->g_session, GNUTLS_NAME_DNS,
setup_data->client_sni,