static grpc_security_status ssl_check_peer(grpc_security_connector *sc,
const char *peer_name,
const tsi_peer *peer) {
/* Check the ALPN. */
const tsi_peer_property *p =
tsi_peer_get_property_by_name(peer, TSI_SSL_ALPN_SELECTED_PROTOCOL);
if (p == NULL) {
gpr_log(GPR_ERROR, "Missing selected ALPN property.");
return GRPC_SECURITY_ERROR;
}
if (!grpc_chttp2_is_alpn_version_supported(p->value.data, p->value.length)) {
gpr_log(GPR_ERROR, "Invalid ALPN value.");
return GRPC_SECURITY_ERROR;
}
/* Check the peer name if specified. */
if (peer_name != NULL && !ssl_host_matches_name(peer, peer_name)) {
gpr_log(GPR_ERROR, "Peer name %s is not in peer certificate", peer_name);
return GRPC_SECURITY_ERROR;
}
if (sc->auth_context != NULL) {
GRPC_AUTH_CONTEXT_UNREF(sc->auth_context, "connector");
}
sc->auth_context = tsi_ssl_peer_to_auth_context(peer);
return GRPC_SECURITY_OK;
}
static grpc_security_status ssl_check_peer(const char *peer_name,
const tsi_peer *peer) {
/* Check the ALPN. */
const tsi_peer_property *p =
tsi_peer_get_property_by_name(peer, TSI_SSL_ALPN_SELECTED_PROTOCOL);
if (p == NULL) {
gpr_log(GPR_ERROR, "Missing selected ALPN property.");
return GRPC_SECURITY_ERROR;
}
if (p->type != TSI_PEER_PROPERTY_TYPE_STRING) {
gpr_log(GPR_ERROR, "Invalid selected ALPN property.");
return GRPC_SECURITY_ERROR;
}
if (!grpc_chttp2_is_alpn_version_supported(p->value.string.data,
p->value.string.length)) {
gpr_log(GPR_ERROR, "Invalid ALPN value.");
return GRPC_SECURITY_ERROR;
}
/* Check the peer name if specified. */
if (peer_name != NULL &&
!ssl_host_matches_name(peer, peer_name)) {
gpr_log(GPR_ERROR, "Peer name %s is not in peer certificate", peer_name);
return GRPC_SECURITY_ERROR;
}
return GRPC_SECURITY_OK;
}
static grpc_security_status ssl_channel_check_call_host(
grpc_channel_security_connector *sc, const char *host,
grpc_security_check_cb cb, void *user_data) {
grpc_ssl_channel_security_connector *c =
(grpc_ssl_channel_security_connector *)sc;
if (ssl_host_matches_name(&c->peer, host)) return GRPC_SECURITY_OK;
/* If the target name was overridden, then the original target_name was
'checked' transitively during the previous peer check at the end of the
handshake. */
if (c->overridden_target_name != NULL && strcmp(host, c->target_name) == 0) {
return GRPC_SECURITY_OK;
} else {
return GRPC_SECURITY_ERROR;
}
}
static void ssl_channel_check_call_host(grpc_exec_ctx *exec_ctx,
grpc_channel_security_connector *sc,
const char *host,
grpc_auth_context *auth_context,
grpc_security_call_host_check_cb cb,
void *user_data) {
grpc_ssl_channel_security_connector *c =
(grpc_ssl_channel_security_connector *)sc;
grpc_security_status status = GRPC_SECURITY_ERROR;
tsi_peer peer = tsi_shallow_peer_from_ssl_auth_context(auth_context);
if (ssl_host_matches_name(&peer, host)) status = GRPC_SECURITY_OK;
/* If the target name was overridden, then the original target_name was
'checked' transitively during the previous peer check at the end of the
handshake. */
if (c->overridden_target_name != NULL && strcmp(host, c->target_name) == 0) {
status = GRPC_SECURITY_OK;
}
cb(exec_ctx, user_data, status);
tsi_shallow_peer_destruct(&peer);
}