1 files changed, 99 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/bio/bio_cb.c b/openssl-1.1.0h/crypto/bio/bio_cb.c
new file mode 100644
index 0000000..412387b
--- /dev/null
+++ b/openssl-1.1.0h/crypto/bio/bio_cb.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (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 <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "bio_lcl.h"
+#include "internal/cryptlib.h"
+#include <openssl/err.h>
+
+long BIO_debug_callback(BIO *bio, int cmd, const char *argp,
+                        int argi, long argl, long ret)
+{
+    BIO *b;
+    char buf[256];
+    char *p;
+    long r = 1;
+    int len;
+    size_t p_maxlen;
+
+    if (BIO_CB_RETURN & cmd)
+        r = ret;
+
+    len = BIO_snprintf(buf, sizeof(buf), "BIO[%p]: ", (void *)bio);
+
+    /* Ignore errors and continue printing the other information. */
+    if (len < 0)
+        len = 0;
+    p = buf + len;
+    p_maxlen = sizeof(buf) - len;
+
+    switch (cmd) {
+    case BIO_CB_FREE:
+        BIO_snprintf(p, p_maxlen, "Free - %s\n", bio->method->name);
+        break;
+    case BIO_CB_READ:
+        if (bio->method->type & BIO_TYPE_DESCRIPTOR)
+            BIO_snprintf(p, p_maxlen, "read(%d,%lu) - %s fd=%d\n",
+                         bio->num, (unsigned long)argi,
+                         bio->method->name, bio->num);
+        else
+            BIO_snprintf(p, p_maxlen, "read(%d,%lu) - %s\n",
+                         bio->num, (unsigned long)argi, bio->method->name);
+        break;
+    case BIO_CB_WRITE:
+        if (bio->method->type & BIO_TYPE_DESCRIPTOR)
+            BIO_snprintf(p, p_maxlen, "write(%d,%lu) - %s fd=%d\n",
+                         bio->num, (unsigned long)argi,
+                         bio->method->name, bio->num);
+        else
+            BIO_snprintf(p, p_maxlen, "write(%d,%lu) - %s\n",
+                         bio->num, (unsigned long)argi, bio->method->name);
+        break;
+    case BIO_CB_PUTS:
+        BIO_snprintf(p, p_maxlen, "puts() - %s\n", bio->method->name);
+        break;
+    case BIO_CB_GETS:
+        BIO_snprintf(p, p_maxlen, "gets(%lu) - %s\n", (unsigned long)argi,
+                     bio->method->name);
+        break;
+    case BIO_CB_CTRL:
+        BIO_snprintf(p, p_maxlen, "ctrl(%lu) - %s\n", (unsigned long)argi,
+                     bio->method->name);
+        break;
+    case BIO_CB_RETURN | BIO_CB_READ:
+        BIO_snprintf(p, p_maxlen, "read return %ld\n", ret);
+        break;
+    case BIO_CB_RETURN | BIO_CB_WRITE:
+        BIO_snprintf(p, p_maxlen, "write return %ld\n", ret);
+        break;
+    case BIO_CB_RETURN | BIO_CB_GETS:
+        BIO_snprintf(p, p_maxlen, "gets return %ld\n", ret);
+        break;
+    case BIO_CB_RETURN | BIO_CB_PUTS:
+        BIO_snprintf(p, p_maxlen, "puts return %ld\n", ret);
+        break;
+    case BIO_CB_RETURN | BIO_CB_CTRL:
+        BIO_snprintf(p, p_maxlen, "ctrl return %ld\n", ret);
+        break;
+    default:
+        BIO_snprintf(p, p_maxlen, "bio callback - unknown type (%d)\n", cmd);
+        break;
+    }
+
+    b = (BIO *)bio->cb_arg;
+    if (b != NULL)
+        BIO_write(b, buf, strlen(buf));
+#if !defined(OPENSSL_NO_STDIO)
+    else
+        fputs(buf, stderr);
+#endif
+    return (r);
+}