Restoring authorship annotation for <deshevoy@yandex-team.ru>. Commit 1 of 2.

1 files changed, 503 insertions, 503 deletions

diff --git a/contrib/libs/openssl/ssl/bio_ssl.c b/contrib/libs/openssl/ssl/bio_ssl.c
index c4239345b6..ef44562bee 100644
--- a/contrib/libs/openssl/ssl/bio_ssl.c
+++ b/contrib/libs/openssl/ssl/bio_ssl.c
@@ -1,507 +1,507 @@
-/*
+/* 
  * Copyright 1995-2021 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 <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <openssl/crypto.h>
-#include "internal/bio.h"
-#include <openssl/err.h>
+ * 
+ * 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 <stdlib.h> 
+#include <string.h> 
+#include <errno.h> 
+#include <openssl/crypto.h> 
+#include "internal/bio.h" 
+#include <openssl/err.h> 
 #include "ssl_local.h"
-
-static int ssl_write(BIO *h, const char *buf, size_t size, size_t *written);
-static int ssl_read(BIO *b, char *buf, size_t size, size_t *readbytes);
-static int ssl_puts(BIO *h, const char *str);
-static long ssl_ctrl(BIO *h, int cmd, long arg1, void *arg2);
-static int ssl_new(BIO *h);
-static int ssl_free(BIO *data);
-static long ssl_callback_ctrl(BIO *h, int cmd, BIO_info_cb *fp);
-typedef struct bio_ssl_st {
-    SSL *ssl;                   /* The ssl handle :-) */
-    /* re-negotiate every time the total number of bytes is this size */
-    int num_renegotiates;
-    unsigned long renegotiate_count;
-    size_t byte_count;
-    unsigned long renegotiate_timeout;
-    unsigned long last_time;
-} BIO_SSL;
-
-static const BIO_METHOD methods_sslp = {
-    BIO_TYPE_SSL,
-    "ssl",
-    ssl_write,
-    NULL,                       /* ssl_write_old, */
-    ssl_read,
-    NULL,                       /* ssl_read_old,  */
-    ssl_puts,
-    NULL,                       /* ssl_gets,      */
-    ssl_ctrl,
-    ssl_new,
-    ssl_free,
-    ssl_callback_ctrl,
-};
-
-const BIO_METHOD *BIO_f_ssl(void)
-{
-    return &methods_sslp;
-}
-
-static int ssl_new(BIO *bi)
-{
-    BIO_SSL *bs = OPENSSL_zalloc(sizeof(*bs));
-
-    if (bs == NULL) {
-        BIOerr(BIO_F_SSL_NEW, ERR_R_MALLOC_FAILURE);
-        return 0;
-    }
-    BIO_set_init(bi, 0);
-    BIO_set_data(bi, bs);
-    /* Clear all flags */
-    BIO_clear_flags(bi, ~0);
-
-    return 1;
-}
-
-static int ssl_free(BIO *a)
-{
-    BIO_SSL *bs;
-
-    if (a == NULL)
-        return 0;
-    bs = BIO_get_data(a);
-    if (bs->ssl != NULL)
-        SSL_shutdown(bs->ssl);
-    if (BIO_get_shutdown(a)) {
-        if (BIO_get_init(a))
-            SSL_free(bs->ssl);
-        /* Clear all flags */
-        BIO_clear_flags(a, ~0);
-        BIO_set_init(a, 0);
-    }
-    OPENSSL_free(bs);
-    return 1;
-}
-
-static int ssl_read(BIO *b, char *buf, size_t size, size_t *readbytes)
-{
-    int ret = 1;
-    BIO_SSL *sb;
-    SSL *ssl;
-    int retry_reason = 0;
-    int r = 0;
-
-    if (buf == NULL)
-        return 0;
-    sb = BIO_get_data(b);
-    ssl = sb->ssl;
-
-    BIO_clear_retry_flags(b);
-
-    ret = ssl_read_internal(ssl, buf, size, readbytes);
-
-    switch (SSL_get_error(ssl, ret)) {
-    case SSL_ERROR_NONE:
-        if (sb->renegotiate_count > 0) {
-            sb->byte_count += *readbytes;
-            if (sb->byte_count > sb->renegotiate_count) {
-                sb->byte_count = 0;
-                sb->num_renegotiates++;
-                SSL_renegotiate(ssl);
-                r = 1;
-            }
-        }
-        if ((sb->renegotiate_timeout > 0) && (!r)) {
-            unsigned long tm;
-
-            tm = (unsigned long)time(NULL);
-            if (tm > sb->last_time + sb->renegotiate_timeout) {
-                sb->last_time = tm;
-                sb->num_renegotiates++;
-                SSL_renegotiate(ssl);
-            }
-        }
-
-        break;
-    case SSL_ERROR_WANT_READ:
-        BIO_set_retry_read(b);
-        break;
-    case SSL_ERROR_WANT_WRITE:
-        BIO_set_retry_write(b);
-        break;
-    case SSL_ERROR_WANT_X509_LOOKUP:
-        BIO_set_retry_special(b);
-        retry_reason = BIO_RR_SSL_X509_LOOKUP;
-        break;
-    case SSL_ERROR_WANT_ACCEPT:
-        BIO_set_retry_special(b);
-        retry_reason = BIO_RR_ACCEPT;
-        break;
-    case SSL_ERROR_WANT_CONNECT:
-        BIO_set_retry_special(b);
-        retry_reason = BIO_RR_CONNECT;
-        break;
-    case SSL_ERROR_SYSCALL:
-    case SSL_ERROR_SSL:
-    case SSL_ERROR_ZERO_RETURN:
-    default:
-        break;
-    }
-
-    BIO_set_retry_reason(b, retry_reason);
-
-    return ret;
-}
-
-static int ssl_write(BIO *b, const char *buf, size_t size, size_t *written)
-{
-    int ret, r = 0;
-    int retry_reason = 0;
-    SSL *ssl;
-    BIO_SSL *bs;
-
-    if (buf == NULL)
-        return 0;
-    bs = BIO_get_data(b);
-    ssl = bs->ssl;
-
-    BIO_clear_retry_flags(b);
-
-    ret = ssl_write_internal(ssl, buf, size, written);
-
-    switch (SSL_get_error(ssl, ret)) {
-    case SSL_ERROR_NONE:
-        if (bs->renegotiate_count > 0) {
-            bs->byte_count += *written;
-            if (bs->byte_count > bs->renegotiate_count) {
-                bs->byte_count = 0;
-                bs->num_renegotiates++;
-                SSL_renegotiate(ssl);
-                r = 1;
-            }
-        }
-        if ((bs->renegotiate_timeout > 0) && (!r)) {
-            unsigned long tm;
-
-            tm = (unsigned long)time(NULL);
-            if (tm > bs->last_time + bs->renegotiate_timeout) {
-                bs->last_time = tm;
-                bs->num_renegotiates++;
-                SSL_renegotiate(ssl);
-            }
-        }
-        break;
-    case SSL_ERROR_WANT_WRITE:
-        BIO_set_retry_write(b);
-        break;
-    case SSL_ERROR_WANT_READ:
-        BIO_set_retry_read(b);
-        break;
-    case SSL_ERROR_WANT_X509_LOOKUP:
-        BIO_set_retry_special(b);
-        retry_reason = BIO_RR_SSL_X509_LOOKUP;
-        break;
-    case SSL_ERROR_WANT_CONNECT:
-        BIO_set_retry_special(b);
-        retry_reason = BIO_RR_CONNECT;
-    case SSL_ERROR_SYSCALL:
-    case SSL_ERROR_SSL:
-    default:
-        break;
-    }
-
-    BIO_set_retry_reason(b, retry_reason);
-
-    return ret;
-}
-
-static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
-{
-    SSL **sslp, *ssl;
-    BIO_SSL *bs, *dbs;
-    BIO *dbio, *bio;
-    long ret = 1;
-    BIO *next;
-
-    bs = BIO_get_data(b);
-    next = BIO_next(b);
-    ssl = bs->ssl;
-    if ((ssl == NULL) && (cmd != BIO_C_SET_SSL))
-        return 0;
-    switch (cmd) {
-    case BIO_CTRL_RESET:
-        SSL_shutdown(ssl);
-
-        if (ssl->handshake_func == ssl->method->ssl_connect)
-            SSL_set_connect_state(ssl);
-        else if (ssl->handshake_func == ssl->method->ssl_accept)
-            SSL_set_accept_state(ssl);
-
-        if (!SSL_clear(ssl)) {
-            ret = 0;
-            break;
-        }
-
-        if (next != NULL)
-            ret = BIO_ctrl(next, cmd, num, ptr);
-        else if (ssl->rbio != NULL)
-            ret = BIO_ctrl(ssl->rbio, cmd, num, ptr);
-        else
-            ret = 1;
-        break;
-    case BIO_CTRL_INFO:
-        ret = 0;
-        break;
-    case BIO_C_SSL_MODE:
-        if (num)                /* client mode */
-            SSL_set_connect_state(ssl);
-        else
-            SSL_set_accept_state(ssl);
-        break;
-    case BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT:
-        ret = bs->renegotiate_timeout;
-        if (num < 60)
-            num = 5;
-        bs->renegotiate_timeout = (unsigned long)num;
-        bs->last_time = (unsigned long)time(NULL);
-        break;
-    case BIO_C_SET_SSL_RENEGOTIATE_BYTES:
-        ret = bs->renegotiate_count;
-        if ((long)num >= 512)
-            bs->renegotiate_count = (unsigned long)num;
-        break;
-    case BIO_C_GET_SSL_NUM_RENEGOTIATES:
-        ret = bs->num_renegotiates;
-        break;
-    case BIO_C_SET_SSL:
-        if (ssl != NULL) {
-            ssl_free(b);
-            if (!ssl_new(b))
-                return 0;
+ 
+static int ssl_write(BIO *h, const char *buf, size_t size, size_t *written); 
+static int ssl_read(BIO *b, char *buf, size_t size, size_t *readbytes); 
+static int ssl_puts(BIO *h, const char *str); 
+static long ssl_ctrl(BIO *h, int cmd, long arg1, void *arg2); 
+static int ssl_new(BIO *h); 
+static int ssl_free(BIO *data); 
+static long ssl_callback_ctrl(BIO *h, int cmd, BIO_info_cb *fp); 
+typedef struct bio_ssl_st { 
+    SSL *ssl;                   /* The ssl handle :-) */ 
+    /* re-negotiate every time the total number of bytes is this size */ 
+    int num_renegotiates; 
+    unsigned long renegotiate_count; 
+    size_t byte_count; 
+    unsigned long renegotiate_timeout; 
+    unsigned long last_time; 
+} BIO_SSL; 
+ 
+static const BIO_METHOD methods_sslp = { 
+    BIO_TYPE_SSL, 
+    "ssl", 
+    ssl_write, 
+    NULL,                       /* ssl_write_old, */ 
+    ssl_read, 
+    NULL,                       /* ssl_read_old,  */ 
+    ssl_puts, 
+    NULL,                       /* ssl_gets,      */ 
+    ssl_ctrl, 
+    ssl_new, 
+    ssl_free, 
+    ssl_callback_ctrl, 
+}; 
+ 
+const BIO_METHOD *BIO_f_ssl(void) 
+{ 
+    return &methods_sslp; 
+} 
+ 
+static int ssl_new(BIO *bi) 
+{ 
+    BIO_SSL *bs = OPENSSL_zalloc(sizeof(*bs)); 
+ 
+    if (bs == NULL) { 
+        BIOerr(BIO_F_SSL_NEW, ERR_R_MALLOC_FAILURE); 
+        return 0; 
+    } 
+    BIO_set_init(bi, 0); 
+    BIO_set_data(bi, bs); 
+    /* Clear all flags */ 
+    BIO_clear_flags(bi, ~0); 
+ 
+    return 1; 
+} 
+ 
+static int ssl_free(BIO *a) 
+{ 
+    BIO_SSL *bs; 
+ 
+    if (a == NULL) 
+        return 0; 
+    bs = BIO_get_data(a); 
+    if (bs->ssl != NULL) 
+        SSL_shutdown(bs->ssl); 
+    if (BIO_get_shutdown(a)) { 
+        if (BIO_get_init(a)) 
+            SSL_free(bs->ssl); 
+        /* Clear all flags */ 
+        BIO_clear_flags(a, ~0); 
+        BIO_set_init(a, 0); 
+    } 
+    OPENSSL_free(bs); 
+    return 1; 
+} 
+ 
+static int ssl_read(BIO *b, char *buf, size_t size, size_t *readbytes) 
+{ 
+    int ret = 1; 
+    BIO_SSL *sb; 
+    SSL *ssl; 
+    int retry_reason = 0; 
+    int r = 0; 
+ 
+    if (buf == NULL) 
+        return 0; 
+    sb = BIO_get_data(b); 
+    ssl = sb->ssl; 
+ 
+    BIO_clear_retry_flags(b); 
+ 
+    ret = ssl_read_internal(ssl, buf, size, readbytes); 
+ 
+    switch (SSL_get_error(ssl, ret)) { 
+    case SSL_ERROR_NONE: 
+        if (sb->renegotiate_count > 0) { 
+            sb->byte_count += *readbytes; 
+            if (sb->byte_count > sb->renegotiate_count) { 
+                sb->byte_count = 0; 
+                sb->num_renegotiates++; 
+                SSL_renegotiate(ssl); 
+                r = 1; 
+            } 
+        } 
+        if ((sb->renegotiate_timeout > 0) && (!r)) { 
+            unsigned long tm; 
+ 
+            tm = (unsigned long)time(NULL); 
+            if (tm > sb->last_time + sb->renegotiate_timeout) { 
+                sb->last_time = tm; 
+                sb->num_renegotiates++; 
+                SSL_renegotiate(ssl); 
+            } 
+        } 
+ 
+        break; 
+    case SSL_ERROR_WANT_READ: 
+        BIO_set_retry_read(b); 
+        break; 
+    case SSL_ERROR_WANT_WRITE: 
+        BIO_set_retry_write(b); 
+        break; 
+    case SSL_ERROR_WANT_X509_LOOKUP: 
+        BIO_set_retry_special(b); 
+        retry_reason = BIO_RR_SSL_X509_LOOKUP; 
+        break; 
+    case SSL_ERROR_WANT_ACCEPT: 
+        BIO_set_retry_special(b); 
+        retry_reason = BIO_RR_ACCEPT; 
+        break; 
+    case SSL_ERROR_WANT_CONNECT: 
+        BIO_set_retry_special(b); 
+        retry_reason = BIO_RR_CONNECT; 
+        break; 
+    case SSL_ERROR_SYSCALL: 
+    case SSL_ERROR_SSL: 
+    case SSL_ERROR_ZERO_RETURN: 
+    default: 
+        break; 
+    } 
+ 
+    BIO_set_retry_reason(b, retry_reason); 
+ 
+    return ret; 
+} 
+ 
+static int ssl_write(BIO *b, const char *buf, size_t size, size_t *written) 
+{ 
+    int ret, r = 0; 
+    int retry_reason = 0; 
+    SSL *ssl; 
+    BIO_SSL *bs; 
+ 
+    if (buf == NULL) 
+        return 0; 
+    bs = BIO_get_data(b); 
+    ssl = bs->ssl; 
+ 
+    BIO_clear_retry_flags(b); 
+ 
+    ret = ssl_write_internal(ssl, buf, size, written); 
+ 
+    switch (SSL_get_error(ssl, ret)) { 
+    case SSL_ERROR_NONE: 
+        if (bs->renegotiate_count > 0) { 
+            bs->byte_count += *written; 
+            if (bs->byte_count > bs->renegotiate_count) { 
+                bs->byte_count = 0; 
+                bs->num_renegotiates++; 
+                SSL_renegotiate(ssl); 
+                r = 1; 
+            } 
+        } 
+        if ((bs->renegotiate_timeout > 0) && (!r)) { 
+            unsigned long tm; 
+ 
+            tm = (unsigned long)time(NULL); 
+            if (tm > bs->last_time + bs->renegotiate_timeout) { 
+                bs->last_time = tm; 
+                bs->num_renegotiates++; 
+                SSL_renegotiate(ssl); 
+            } 
+        } 
+        break; 
+    case SSL_ERROR_WANT_WRITE: 
+        BIO_set_retry_write(b); 
+        break; 
+    case SSL_ERROR_WANT_READ: 
+        BIO_set_retry_read(b); 
+        break; 
+    case SSL_ERROR_WANT_X509_LOOKUP: 
+        BIO_set_retry_special(b); 
+        retry_reason = BIO_RR_SSL_X509_LOOKUP; 
+        break; 
+    case SSL_ERROR_WANT_CONNECT: 
+        BIO_set_retry_special(b); 
+        retry_reason = BIO_RR_CONNECT; 
+    case SSL_ERROR_SYSCALL: 
+    case SSL_ERROR_SSL: 
+    default: 
+        break; 
+    } 
+ 
+    BIO_set_retry_reason(b, retry_reason); 
+ 
+    return ret; 
+} 
+ 
+static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr) 
+{ 
+    SSL **sslp, *ssl; 
+    BIO_SSL *bs, *dbs; 
+    BIO *dbio, *bio; 
+    long ret = 1; 
+    BIO *next; 
+ 
+    bs = BIO_get_data(b); 
+    next = BIO_next(b); 
+    ssl = bs->ssl; 
+    if ((ssl == NULL) && (cmd != BIO_C_SET_SSL)) 
+        return 0; 
+    switch (cmd) { 
+    case BIO_CTRL_RESET: 
+        SSL_shutdown(ssl); 
+ 
+        if (ssl->handshake_func == ssl->method->ssl_connect) 
+            SSL_set_connect_state(ssl); 
+        else if (ssl->handshake_func == ssl->method->ssl_accept) 
+            SSL_set_accept_state(ssl); 
+ 
+        if (!SSL_clear(ssl)) { 
+            ret = 0; 
+            break; 
+        } 
+ 
+        if (next != NULL) 
+            ret = BIO_ctrl(next, cmd, num, ptr); 
+        else if (ssl->rbio != NULL) 
+            ret = BIO_ctrl(ssl->rbio, cmd, num, ptr); 
+        else 
+            ret = 1; 
+        break; 
+    case BIO_CTRL_INFO: 
+        ret = 0; 
+        break; 
+    case BIO_C_SSL_MODE: 
+        if (num)                /* client mode */ 
+            SSL_set_connect_state(ssl); 
+        else 
+            SSL_set_accept_state(ssl); 
+        break; 
+    case BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT: 
+        ret = bs->renegotiate_timeout; 
+        if (num < 60) 
+            num = 5; 
+        bs->renegotiate_timeout = (unsigned long)num; 
+        bs->last_time = (unsigned long)time(NULL); 
+        break; 
+    case BIO_C_SET_SSL_RENEGOTIATE_BYTES: 
+        ret = bs->renegotiate_count; 
+        if ((long)num >= 512) 
+            bs->renegotiate_count = (unsigned long)num; 
+        break; 
+    case BIO_C_GET_SSL_NUM_RENEGOTIATES: 
+        ret = bs->num_renegotiates; 
+        break; 
+    case BIO_C_SET_SSL: 
+        if (ssl != NULL) { 
+            ssl_free(b); 
+            if (!ssl_new(b)) 
+                return 0; 
             bs = BIO_get_data(b);
-        }
-        BIO_set_shutdown(b, num);
-        ssl = (SSL *)ptr;
-        bs->ssl = ssl;
-        bio = SSL_get_rbio(ssl);
-        if (bio != NULL) {
-            if (next != NULL)
-                BIO_push(bio, next);
-            BIO_set_next(b, bio);
-            BIO_up_ref(bio);
-        }
-        BIO_set_init(b, 1);
-        break;
-    case BIO_C_GET_SSL:
-        if (ptr != NULL) {
-            sslp = (SSL **)ptr;
-            *sslp = ssl;
-        } else
-            ret = 0;
-        break;
-    case BIO_CTRL_GET_CLOSE:
-        ret = BIO_get_shutdown(b);
-        break;
-    case BIO_CTRL_SET_CLOSE:
-        BIO_set_shutdown(b, (int)num);
-        break;
-    case BIO_CTRL_WPENDING:
-        ret = BIO_ctrl(ssl->wbio, cmd, num, ptr);
-        break;
-    case BIO_CTRL_PENDING:
-        ret = SSL_pending(ssl);
-        if (ret == 0)
-            ret = BIO_pending(ssl->rbio);
-        break;
-    case BIO_CTRL_FLUSH:
-        BIO_clear_retry_flags(b);
-        ret = BIO_ctrl(ssl->wbio, cmd, num, ptr);
-        BIO_copy_next_retry(b);
-        break;
-    case BIO_CTRL_PUSH:
-        if ((next != NULL) && (next != ssl->rbio)) {
-            /*
-             * We are going to pass ownership of next to the SSL object...but
-             * we don't own a reference to pass yet - so up ref
-             */
-            BIO_up_ref(next);
-            SSL_set_bio(ssl, next, next);
-        }
-        break;
-    case BIO_CTRL_POP:
-        /* Only detach if we are the BIO explicitly being popped */
-        if (b == ptr) {
-            /* This will clear the reference we obtained during push */
-            SSL_set_bio(ssl, NULL, NULL);
-        }
-        break;
-    case BIO_C_DO_STATE_MACHINE:
-        BIO_clear_retry_flags(b);
-
-        BIO_set_retry_reason(b, 0);
-        ret = (int)SSL_do_handshake(ssl);
-
-        switch (SSL_get_error(ssl, (int)ret)) {
-        case SSL_ERROR_WANT_READ:
-            BIO_set_flags(b, BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY);
-            break;
-        case SSL_ERROR_WANT_WRITE:
-            BIO_set_flags(b, BIO_FLAGS_WRITE | BIO_FLAGS_SHOULD_RETRY);
-            break;
-        case SSL_ERROR_WANT_CONNECT:
-            BIO_set_flags(b, BIO_FLAGS_IO_SPECIAL | BIO_FLAGS_SHOULD_RETRY);
-            BIO_set_retry_reason(b, BIO_get_retry_reason(next));
-            break;
-        case SSL_ERROR_WANT_X509_LOOKUP:
-            BIO_set_retry_special(b);
-            BIO_set_retry_reason(b, BIO_RR_SSL_X509_LOOKUP);
-            break;
-        default:
-            break;
-        }
-        break;
-    case BIO_CTRL_DUP:
-        dbio = (BIO *)ptr;
-        dbs = BIO_get_data(dbio);
-        SSL_free(dbs->ssl);
-        dbs->ssl = SSL_dup(ssl);
-        dbs->num_renegotiates = bs->num_renegotiates;
-        dbs->renegotiate_count = bs->renegotiate_count;
-        dbs->byte_count = bs->byte_count;
-        dbs->renegotiate_timeout = bs->renegotiate_timeout;
-        dbs->last_time = bs->last_time;
-        ret = (dbs->ssl != NULL);
-        break;
-    case BIO_C_GET_FD:
-        ret = BIO_ctrl(ssl->rbio, cmd, num, ptr);
-        break;
-    case BIO_CTRL_SET_CALLBACK:
-        ret = 0; /* use callback ctrl */
-        break;
-    default:
-        ret = BIO_ctrl(ssl->rbio, cmd, num, ptr);
-        break;
-    }
-    return ret;
-}
-
-static long ssl_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
-{
-    SSL *ssl;
-    BIO_SSL *bs;
-    long ret = 1;
-
-    bs = BIO_get_data(b);
-    ssl = bs->ssl;
-    switch (cmd) {
-    case BIO_CTRL_SET_CALLBACK:
-        ret = BIO_callback_ctrl(ssl->rbio, cmd, fp);
-        break;
-    default:
-        ret = 0;
-        break;
-    }
-    return ret;
-}
-
-static int ssl_puts(BIO *bp, const char *str)
-{
-    int n, ret;
-
-    n = strlen(str);
-    ret = BIO_write(bp, str, n);
-    return ret;
-}
-
-BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx)
-{
-#ifndef OPENSSL_NO_SOCK
-    BIO *ret = NULL, *buf = NULL, *ssl = NULL;
-
-    if ((buf = BIO_new(BIO_f_buffer())) == NULL)
-        return NULL;
-    if ((ssl = BIO_new_ssl_connect(ctx)) == NULL)
-        goto err;
-    if ((ret = BIO_push(buf, ssl)) == NULL)
-        goto err;
-    return ret;
- err:
-    BIO_free(buf);
+        } 
+        BIO_set_shutdown(b, num); 
+        ssl = (SSL *)ptr; 
+        bs->ssl = ssl; 
+        bio = SSL_get_rbio(ssl); 
+        if (bio != NULL) { 
+            if (next != NULL) 
+                BIO_push(bio, next); 
+            BIO_set_next(b, bio); 
+            BIO_up_ref(bio); 
+        } 
+        BIO_set_init(b, 1); 
+        break; 
+    case BIO_C_GET_SSL: 
+        if (ptr != NULL) { 
+            sslp = (SSL **)ptr; 
+            *sslp = ssl; 
+        } else 
+            ret = 0; 
+        break; 
+    case BIO_CTRL_GET_CLOSE: 
+        ret = BIO_get_shutdown(b); 
+        break; 
+    case BIO_CTRL_SET_CLOSE: 
+        BIO_set_shutdown(b, (int)num); 
+        break; 
+    case BIO_CTRL_WPENDING: 
+        ret = BIO_ctrl(ssl->wbio, cmd, num, ptr); 
+        break; 
+    case BIO_CTRL_PENDING: 
+        ret = SSL_pending(ssl); 
+        if (ret == 0) 
+            ret = BIO_pending(ssl->rbio); 
+        break; 
+    case BIO_CTRL_FLUSH: 
+        BIO_clear_retry_flags(b); 
+        ret = BIO_ctrl(ssl->wbio, cmd, num, ptr); 
+        BIO_copy_next_retry(b); 
+        break; 
+    case BIO_CTRL_PUSH: 
+        if ((next != NULL) && (next != ssl->rbio)) { 
+            /* 
+             * We are going to pass ownership of next to the SSL object...but 
+             * we don't own a reference to pass yet - so up ref 
+             */ 
+            BIO_up_ref(next); 
+            SSL_set_bio(ssl, next, next); 
+        } 
+        break; 
+    case BIO_CTRL_POP: 
+        /* Only detach if we are the BIO explicitly being popped */ 
+        if (b == ptr) { 
+            /* This will clear the reference we obtained during push */ 
+            SSL_set_bio(ssl, NULL, NULL); 
+        } 
+        break; 
+    case BIO_C_DO_STATE_MACHINE: 
+        BIO_clear_retry_flags(b); 
+ 
+        BIO_set_retry_reason(b, 0); 
+        ret = (int)SSL_do_handshake(ssl); 
+ 
+        switch (SSL_get_error(ssl, (int)ret)) { 
+        case SSL_ERROR_WANT_READ: 
+            BIO_set_flags(b, BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY); 
+            break; 
+        case SSL_ERROR_WANT_WRITE: 
+            BIO_set_flags(b, BIO_FLAGS_WRITE | BIO_FLAGS_SHOULD_RETRY); 
+            break; 
+        case SSL_ERROR_WANT_CONNECT: 
+            BIO_set_flags(b, BIO_FLAGS_IO_SPECIAL | BIO_FLAGS_SHOULD_RETRY); 
+            BIO_set_retry_reason(b, BIO_get_retry_reason(next)); 
+            break; 
+        case SSL_ERROR_WANT_X509_LOOKUP: 
+            BIO_set_retry_special(b); 
+            BIO_set_retry_reason(b, BIO_RR_SSL_X509_LOOKUP); 
+            break; 
+        default: 
+            break; 
+        } 
+        break; 
+    case BIO_CTRL_DUP: 
+        dbio = (BIO *)ptr; 
+        dbs = BIO_get_data(dbio); 
+        SSL_free(dbs->ssl); 
+        dbs->ssl = SSL_dup(ssl); 
+        dbs->num_renegotiates = bs->num_renegotiates; 
+        dbs->renegotiate_count = bs->renegotiate_count; 
+        dbs->byte_count = bs->byte_count; 
+        dbs->renegotiate_timeout = bs->renegotiate_timeout; 
+        dbs->last_time = bs->last_time; 
+        ret = (dbs->ssl != NULL); 
+        break; 
+    case BIO_C_GET_FD: 
+        ret = BIO_ctrl(ssl->rbio, cmd, num, ptr); 
+        break; 
+    case BIO_CTRL_SET_CALLBACK: 
+        ret = 0; /* use callback ctrl */ 
+        break; 
+    default: 
+        ret = BIO_ctrl(ssl->rbio, cmd, num, ptr); 
+        break; 
+    } 
+    return ret; 
+} 
+ 
+static long ssl_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp) 
+{ 
+    SSL *ssl; 
+    BIO_SSL *bs; 
+    long ret = 1; 
+ 
+    bs = BIO_get_data(b); 
+    ssl = bs->ssl; 
+    switch (cmd) { 
+    case BIO_CTRL_SET_CALLBACK: 
+        ret = BIO_callback_ctrl(ssl->rbio, cmd, fp); 
+        break; 
+    default: 
+        ret = 0; 
+        break; 
+    } 
+    return ret; 
+} 
+ 
+static int ssl_puts(BIO *bp, const char *str) 
+{ 
+    int n, ret; 
+ 
+    n = strlen(str); 
+    ret = BIO_write(bp, str, n); 
+    return ret; 
+} 
+ 
+BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx) 
+{ 
+#ifndef OPENSSL_NO_SOCK 
+    BIO *ret = NULL, *buf = NULL, *ssl = NULL; 
+ 
+    if ((buf = BIO_new(BIO_f_buffer())) == NULL) 
+        return NULL; 
+    if ((ssl = BIO_new_ssl_connect(ctx)) == NULL) 
+        goto err; 
+    if ((ret = BIO_push(buf, ssl)) == NULL) 
+        goto err; 
+    return ret; 
+ err: 
+    BIO_free(buf); 
+    BIO_free(ssl); 
+#endif 
+    return NULL; 
+} 
+ 
+BIO *BIO_new_ssl_connect(SSL_CTX *ctx) 
+{ 
+#ifndef OPENSSL_NO_SOCK 
+    BIO *ret = NULL, *con = NULL, *ssl = NULL; 
+ 
+    if ((con = BIO_new(BIO_s_connect())) == NULL) 
+        return NULL; 
+    if ((ssl = BIO_new_ssl(ctx, 1)) == NULL) 
+        goto err; 
+    if ((ret = BIO_push(ssl, con)) == NULL) 
+        goto err; 
+    return ret; 
+ err: 
     BIO_free(ssl);
-#endif
-    return NULL;
-}
-
-BIO *BIO_new_ssl_connect(SSL_CTX *ctx)
-{
-#ifndef OPENSSL_NO_SOCK
-    BIO *ret = NULL, *con = NULL, *ssl = NULL;
-
-    if ((con = BIO_new(BIO_s_connect())) == NULL)
-        return NULL;
-    if ((ssl = BIO_new_ssl(ctx, 1)) == NULL)
-        goto err;
-    if ((ret = BIO_push(ssl, con)) == NULL)
-        goto err;
-    return ret;
- err:
-    BIO_free(ssl);
-    BIO_free(con);
-#endif
-    return NULL;
-}
-
-BIO *BIO_new_ssl(SSL_CTX *ctx, int client)
-{
-    BIO *ret;
-    SSL *ssl;
-
-    if ((ret = BIO_new(BIO_f_ssl())) == NULL)
-        return NULL;
-    if ((ssl = SSL_new(ctx)) == NULL) {
-        BIO_free(ret);
-        return NULL;
-    }
-    if (client)
-        SSL_set_connect_state(ssl);
-    else
-        SSL_set_accept_state(ssl);
-
-    BIO_set_ssl(ret, ssl, BIO_CLOSE);
-    return ret;
-}
-
-int BIO_ssl_copy_session_id(BIO *t, BIO *f)
-{
-    BIO_SSL *tdata, *fdata;
-    t = BIO_find_type(t, BIO_TYPE_SSL);
-    f = BIO_find_type(f, BIO_TYPE_SSL);
-    if ((t == NULL) || (f == NULL))
-        return 0;
-    tdata = BIO_get_data(t);
-    fdata = BIO_get_data(f);
-    if ((tdata->ssl == NULL) || (fdata->ssl == NULL))
-        return 0;
-    if (!SSL_copy_session_id(tdata->ssl, (fdata->ssl)))
-        return 0;
-    return 1;
-}
-
-void BIO_ssl_shutdown(BIO *b)
-{
-    BIO_SSL *bdata;
-
-    for (; b != NULL; b = BIO_next(b)) {
-        if (BIO_method_type(b) != BIO_TYPE_SSL)
-            continue;
-        bdata = BIO_get_data(b);
-        if (bdata != NULL && bdata->ssl != NULL)
-            SSL_shutdown(bdata->ssl);
-    }
-}
+    BIO_free(con); 
+#endif 
+    return NULL; 
+} 
+ 
+BIO *BIO_new_ssl(SSL_CTX *ctx, int client) 
+{ 
+    BIO *ret; 
+    SSL *ssl; 
+ 
+    if ((ret = BIO_new(BIO_f_ssl())) == NULL) 
+        return NULL; 
+    if ((ssl = SSL_new(ctx)) == NULL) { 
+        BIO_free(ret); 
+        return NULL; 
+    } 
+    if (client) 
+        SSL_set_connect_state(ssl); 
+    else 
+        SSL_set_accept_state(ssl); 
+ 
+    BIO_set_ssl(ret, ssl, BIO_CLOSE); 
+    return ret; 
+} 
+ 
+int BIO_ssl_copy_session_id(BIO *t, BIO *f) 
+{ 
+    BIO_SSL *tdata, *fdata; 
+    t = BIO_find_type(t, BIO_TYPE_SSL); 
+    f = BIO_find_type(f, BIO_TYPE_SSL); 
+    if ((t == NULL) || (f == NULL)) 
+        return 0; 
+    tdata = BIO_get_data(t); 
+    fdata = BIO_get_data(f); 
+    if ((tdata->ssl == NULL) || (fdata->ssl == NULL)) 
+        return 0; 
+    if (!SSL_copy_session_id(tdata->ssl, (fdata->ssl))) 
+        return 0; 
+    return 1; 
+} 
+ 
+void BIO_ssl_shutdown(BIO *b) 
+{ 
+    BIO_SSL *bdata; 
+ 
+    for (; b != NULL; b = BIO_next(b)) { 
+        if (BIO_method_type(b) != BIO_TYPE_SSL) 
+            continue; 
+        bdata = BIO_get_data(b); 
+        if (bdata != NULL && bdata->ssl != NULL) 
+            SSL_shutdown(bdata->ssl); 
+    } 
+}