1 files changed, 80 insertions, 0 deletions
diff --git a/crypto/openssl/ssl/d1_msg.c b/crypto/openssl/ssl/d1_msg.c
new file mode 100644
index 000000000000..6613f0f4c87a
--- /dev/null
+++ b/crypto/openssl/ssl/d1_msg.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2005-2025 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include "ssl_local.h"
+#include "internal/ssl_unwrap.h"
+
+int dtls1_write_app_data_bytes(SSL *s, uint8_t type, const void *buf_,
+                               size_t len, size_t *written)
+{
+    int i;
+    SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
+
+    if (sc == NULL)
+        return -1;
+
+    if (SSL_in_init(s) && !ossl_statem_get_in_handshake(sc)) {
+        i = sc->handshake_func(s);
+        if (i < 0)
+            return i;
+        if (i == 0) {
+            ERR_raise(ERR_LIB_SSL, SSL_R_SSL_HANDSHAKE_FAILURE);
+            return -1;
+        }
+    }
+
+    if (len > SSL3_RT_MAX_PLAIN_LENGTH) {
+        ERR_raise(ERR_LIB_SSL, SSL_R_DTLS_MESSAGE_TOO_BIG);
+        return -1;
+    }
+
+    return dtls1_write_bytes(sc, type, buf_, len, written);
+}
+
+int dtls1_dispatch_alert(SSL *ssl)
+{
+    int i, j;
+    void (*cb) (const SSL *ssl, int type, int val) = NULL;
+    unsigned char buf[DTLS1_AL_HEADER_LENGTH];
+    unsigned char *ptr = &buf[0];
+    size_t written;
+    SSL_CONNECTION *s = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
+
+    if (s == NULL)
+        return 0;
+
+    s->s3.alert_dispatch = SSL_ALERT_DISPATCH_NONE;
+
+    memset(buf, 0, sizeof(buf));
+    *ptr++ = s->s3.send_alert[0];
+    *ptr++ = s->s3.send_alert[1];
+
+    i = do_dtls1_write(s, SSL3_RT_ALERT, &buf[0], sizeof(buf), &written);
+    if (i <= 0) {
+        s->s3.alert_dispatch = 1;
+        /* fprintf(stderr, "not done with alert\n"); */
+    } else {
+        (void)BIO_flush(s->wbio);
+
+        if (s->msg_callback)
+            s->msg_callback(1, s->version, SSL3_RT_ALERT, s->s3.send_alert,
+                            2, ssl, s->msg_callback_arg);
+
+        if (s->info_callback != NULL)
+            cb = s->info_callback;
+        else if (ssl->ctx->info_callback != NULL)
+            cb = ssl->ctx->info_callback;
+
+        if (cb != NULL) {
+            j = (s->s3.send_alert[0] << 8) | s->s3.send_alert[1];
+            cb(ssl, SSL_CB_WRITE_ALERT, j);
+        }
+    }
+    return i;
+}