Initial commit

FossilOrigin-Name: c53d95729c009f8f80a7d63847cef7668ff73f8af0523ab65f7734696f85399c

src/capwap/dtls_openssl_connect.c

@@ -0,0 +1,98 @@
+#include <openssl/err.h>
+
+#include "dtls_openssl.h"
+#include "cw_log.h"
+
+static BIO_METHOD bio_methods = {
+	BIO_TYPE_DGRAM,
+	"cw packet",
+	dtls_openssl_bio_write,
+	dtls_openssl_bio_read,
+	dtls_openssl_bio_puts,
+	NULL, 			// dgram_gets
+	dtls_openssl_bio_ctrl,
+	dtls_openssl_bio_new,
+	dtls_openssl_bio_free,
+	NULL,
+};
+
+
+static unsigned int psk_client_cb(SSL *ssl, 
+		   const char *hint,
+		   char *identity,
+		   unsigned int max_identity_len,
+		   unsigned char *psk,
+		   unsigned int max_psk_len) {
+
+	BIO * b = SSL_get_rbio(ssl);
+	struct conn * conn = b->ptr;
+
+//	printf("KEYY: %s\n",conn->dtls_psk);
+
+	snprintf(identity, max_identity_len, "CLient_identity");
+
+	int l = conn->dtls_psk_len < max_psk_len ? conn->dtls_psk_len : max_psk_len;
+	memcpy(psk,conn->dtls_psk,l);
+	return l;
+
+}
+
+
+int dtls_openssl_connect(struct conn * conn)
+{
+	if (!conn->dtls_data)
+		conn->dtls_data = dtls_openssl_data_create(conn,DTLSv1_client_method(),&bio_methods);
+
+	struct dtls_openssl_data * d = (struct dtls_openssl_data*)conn->dtls_data;
+	if (!d)
+		return 0;
+
+	SSL_set_psk_client_callback( d->ssl, psk_client_cb);
+
+	char errstr[256];
+	int rc; 
+	do{ 
+		rc = SSL_connect(d->ssl);
+
+
+/*		if (rc <= 0){
+			int e;
+			e = SSL_get_error(d->ssl,rc);
+			printf("Get Err %i\n",e);
+
+
+			printf("SSL Connect rc = %i\n",rc);
+			e = ERR_get_error();
+			ERR_error_string(e,errstr);
+			cw_log(LOG_ERR,"SSL_connect %s",errstr);
+
+			
+
+
+		}
+
+*/
+
+		if(rc==1){
+			conn->read = dtls_openssl_read;
+			conn->write = dtls_openssl_write;
+			return 1;
+		}
+
+
+		rc = dtls_openssl_log_error(d->ssl,rc,"DTLS connect");
+	       
+	} while (rc == 0 );
+
+//	printf("DTLS connect RC: %i\n",rc);
+
+//	int e = ERR_get_error();
+//	ERR_error_string(e,errstr);
+//	cw_log(LOG_ERR,"SSL_accept %s",errstr);
+
+
+	return 0;
+}
+
+
+