Unify s_client/s_server srtp profiles option handling
[openssl.git] / crypto / bio / bss_conn.c
index 0b82082..5c461ae 100644 (file)
@@ -1,82 +1,28 @@
-/* crypto/bio/bss_conn.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
  *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * 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 <errno.h>
-#define USE_SOCKETS
-#include "cryptlib.h"
-#include <openssl/bio.h>
 
-#ifndef OPENSSL_NO_SOCK
+#include "bio_lcl.h"
 
-# if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
-/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
-#  undef FIONBIO
-# endif
+#ifndef OPENSSL_NO_SOCK
 
 typedef struct bio_connect_st {
     int state;
+    int connect_family;
     char *param_hostname;
-    char *param_port;
-    int nbio;
-    unsigned char ip[4];
-    unsigned short port;
-    struct sockaddr_in them;
+    char *param_service;
+    int connect_mode;
+
+    BIO_ADDRINFO *addr_first;
+    const BIO_ADDRINFO *addr_iter;
     /*
      * int socket; this will be kept in bio->num so that it is compatible
      * with the bss_sock bio
@@ -86,7 +32,7 @@ typedef struct bio_connect_st {
      * The callback should return 'ret'.  state is for compatibility with the
      * ssl info_callback
      */
-    int (*info_callback) (const BIO *bio, int state, int ret);
+    BIO_info_cb *info_callback;
 } BIO_CONNECT;
 
 static int conn_write(BIO *h, const char *buf, int num);
@@ -95,20 +41,31 @@ static int conn_puts(BIO *h, const char *str);
 static long conn_ctrl(BIO *h, int cmd, long arg1, void *arg2);
 static int conn_new(BIO *h);
 static int conn_free(BIO *data);
-static long conn_callback_ctrl(BIO *h, int cmd, bio_info_cb *);
+static long conn_callback_ctrl(BIO *h, int cmd, BIO_info_cb *);
 
 static int conn_state(BIO *b, BIO_CONNECT *c);
 static void conn_close_socket(BIO *data);
 BIO_CONNECT *BIO_CONNECT_new(void);
 void BIO_CONNECT_free(BIO_CONNECT *a);
 
-static BIO_METHOD methods_connectp = {
+#define BIO_CONN_S_BEFORE                1
+#define BIO_CONN_S_GET_ADDR              2
+#define BIO_CONN_S_CREATE_SOCKET         3
+#define BIO_CONN_S_CONNECT               4
+#define BIO_CONN_S_OK                    5
+#define BIO_CONN_S_BLOCKED_CONNECT       6
+
+static const BIO_METHOD methods_connectp = {
     BIO_TYPE_CONNECT,
     "socket connect",
+    /* TODO: Convert to new style write function */
+    bwrite_conv,
     conn_write,
+    /* TODO: Convert to new style read function */
+    bread_conv,
     conn_read,
     conn_puts,
-    NULL,                       /* connect_gets, */
+    NULL,                       /* conn_gets, */
     conn_ctrl,
     conn_new,
     conn_free,
@@ -118,9 +75,7 @@ static BIO_METHOD methods_connectp = {
 static int conn_state(BIO *b, BIO_CONNECT *c)
 {
     int ret = -1, i;
-    unsigned long l;
-    char *p, *q;
-    int (*cb) (const BIO *, int, int) = NULL;
+    BIO_info_cb *cb = NULL;
 
     if (c->info_callback != NULL)
         cb = c->info_callback;
@@ -128,122 +83,103 @@ static int conn_state(BIO *b, BIO_CONNECT *c)
     for (;;) {
         switch (c->state) {
         case BIO_CONN_S_BEFORE:
-            p = c->param_hostname;
-            if (p == NULL) {
-                BIOerr(BIO_F_CONN_STATE, BIO_R_NO_HOSTNAME_SPECIFIED);
+            if (c->param_hostname == NULL && c->param_service == NULL) {
+                BIOerr(BIO_F_CONN_STATE, BIO_R_NO_HOSTNAME_OR_SERVICE_SPECIFIED);
+                ERR_add_error_data(4,
+                                   "hostname=", c->param_hostname,
+                                   " service=", c->param_service);
                 goto exit_loop;
             }
-            for (; *p != '\0'; p++) {
-                if ((*p == ':') || (*p == '/'))
-                    break;
-            }
+            c->state = BIO_CONN_S_GET_ADDR;
+            break;
 
-            i = *p;
-            if ((i == ':') || (i == '/')) {
-
-                *(p++) = '\0';
-                if (i == ':') {
-                    for (q = p; *q; q++)
-                        if (*q == '/') {
-                            *q = '\0';
-                            break;
-                        }
-                    OPENSSL_free(c->param_port);
-                    c->param_port = BUF_strdup(p);
+        case BIO_CONN_S_GET_ADDR:
+            {
+                int family = AF_UNSPEC;
+                switch (c->connect_family) {
+                case BIO_FAMILY_IPV6:
+                    if (1) { /* This is a trick we use to avoid bit rot.
+                              * at least the "else" part will always be
+                              * compiled.
+                              */
+#ifdef AF_INET6
+                        family = AF_INET6;
+                    } else {
+#endif
+                        BIOerr(BIO_F_CONN_STATE, BIO_R_UNAVAILABLE_IP_FAMILY);
+                        goto exit_loop;
+                    }
+                    break;
+                case BIO_FAMILY_IPV4:
+                    family = AF_INET;
+                    break;
+                case BIO_FAMILY_IPANY:
+                    family = AF_UNSPEC;
+                    break;
+                default:
+                    BIOerr(BIO_F_CONN_STATE, BIO_R_UNSUPPORTED_IP_FAMILY);
+                    goto exit_loop;
                 }
+                if (BIO_lookup(c->param_hostname, c->param_service,
+                               BIO_LOOKUP_CLIENT,
+                               family, SOCK_STREAM, &c->addr_first) == 0)
+                    goto exit_loop;
             }
-
-            if (c->param_port == NULL) {
-                BIOerr(BIO_F_CONN_STATE, BIO_R_NO_PORT_SPECIFIED);
-                ERR_add_error_data(2, "host=", c->param_hostname);
+            if (c->addr_first == NULL) {
+                BIOerr(BIO_F_CONN_STATE, BIO_R_LOOKUP_RETURNED_NOTHING);
                 goto exit_loop;
             }
-            c->state = BIO_CONN_S_GET_IP;
-            break;
-
-        case BIO_CONN_S_GET_IP:
-            if (BIO_get_host_ip(c->param_hostname, &(c->ip[0])) <= 0)
-                goto exit_loop;
-            c->state = BIO_CONN_S_GET_PORT;
-            break;
-
-        case BIO_CONN_S_GET_PORT:
-            if (c->param_port == NULL) {
-                /* abort(); */
-                goto exit_loop;
-            } else if (BIO_get_port(c->param_port, &c->port) <= 0)
-                goto exit_loop;
+            c->addr_iter = c->addr_first;
             c->state = BIO_CONN_S_CREATE_SOCKET;
             break;
 
         case BIO_CONN_S_CREATE_SOCKET:
-            /* now setup address */
-            memset((char *)&c->them, 0, sizeof(c->them));
-            c->them.sin_family = AF_INET;
-            c->them.sin_port = htons((unsigned short)c->port);
-            l = (unsigned long)
-                ((unsigned long)c->ip[0] << 24L) |
-                ((unsigned long)c->ip[1] << 16L) |
-                ((unsigned long)c->ip[2] << 8L) | ((unsigned long)c->ip[3]);
-            c->them.sin_addr.s_addr = htonl(l);
-            c->state = BIO_CONN_S_CREATE_SOCKET;
-
-            ret = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
-            if (ret == INVALID_SOCKET) {
+            ret = BIO_socket(BIO_ADDRINFO_family(c->addr_iter),
+                             BIO_ADDRINFO_socktype(c->addr_iter),
+                             BIO_ADDRINFO_protocol(c->addr_iter), 0);
+            if (ret == (int)INVALID_SOCKET) {
                 SYSerr(SYS_F_SOCKET, get_last_socket_error());
-                ERR_add_error_data(4, "host=", c->param_hostname,
-                                   ":", c->param_port);
+                ERR_add_error_data(4,
+                                   "hostname=", c->param_hostname,
+                                   " service=", c->param_service);
                 BIOerr(BIO_F_CONN_STATE, BIO_R_UNABLE_TO_CREATE_SOCKET);
                 goto exit_loop;
             }
             b->num = ret;
-            c->state = BIO_CONN_S_NBIO;
-            break;
-
-        case BIO_CONN_S_NBIO:
-            if (c->nbio) {
-                if (!BIO_socket_nbio(b->num, 1)) {
-                    BIOerr(BIO_F_CONN_STATE, BIO_R_ERROR_SETTING_NBIO);
-                    ERR_add_error_data(4, "host=",
-                                       c->param_hostname, ":", c->param_port);
-                    goto exit_loop;
-                }
-            }
             c->state = BIO_CONN_S_CONNECT;
-
-# if defined(SO_KEEPALIVE)
-            i = 1;
-            i = setsockopt(b->num, SOL_SOCKET, SO_KEEPALIVE, (char *)&i,
-                           sizeof(i));
-            if (i < 0) {
-                SYSerr(SYS_F_SOCKET, get_last_socket_error());
-                ERR_add_error_data(4, "host=", c->param_hostname,
-                                   ":", c->param_port);
-                BIOerr(BIO_F_CONN_STATE, BIO_R_KEEPALIVE);
-                goto exit_loop;
-            }
-# endif
             break;
 
         case BIO_CONN_S_CONNECT:
             BIO_clear_retry_flags(b);
-            ret = connect(b->num,
-                          (struct sockaddr *)&c->them, sizeof(c->them));
+            ret = BIO_connect(b->num, BIO_ADDRINFO_address(c->addr_iter),
+                              BIO_SOCK_KEEPALIVE | c->connect_mode);
             b->retry_reason = 0;
-            if (ret < 0) {
+            if (ret == 0) {
                 if (BIO_sock_should_retry(ret)) {
                     BIO_set_retry_special(b);
                     c->state = BIO_CONN_S_BLOCKED_CONNECT;
                     b->retry_reason = BIO_RR_CONNECT;
+                    ERR_clear_error();
+                } else if ((c->addr_iter = BIO_ADDRINFO_next(c->addr_iter))
+                           != NULL) {
+                    /*
+                     * if there are more addresses to try, do that first
+                     */
+                    BIO_closesocket(b->num);
+                    c->state = BIO_CONN_S_CREATE_SOCKET;
+                    ERR_clear_error();
+                    break;
                 } else {
                     SYSerr(SYS_F_CONNECT, get_last_socket_error());
-                    ERR_add_error_data(4, "host=",
-                                       c->param_hostname, ":", c->param_port);
+                    ERR_add_error_data(4,
+                                       "hostname=", c->param_hostname,
+                                       " service=", c->param_service);
                     BIOerr(BIO_F_CONN_STATE, BIO_R_CONNECT_ERROR);
                 }
                 goto exit_loop;
-            } else
+            } else {
                 c->state = BIO_CONN_S_OK;
+            }
             break;
 
         case BIO_CONN_S_BLOCKED_CONNECT:
@@ -251,8 +187,9 @@ static int conn_state(BIO *b, BIO_CONNECT *c)
             if (i) {
                 BIO_clear_retry_flags(b);
                 SYSerr(SYS_F_CONNECT, i);
-                ERR_add_error_data(4, "host=",
-                                   c->param_hostname, ":", c->param_port);
+                ERR_add_error_data(4,
+                                   "hostname=", c->param_hostname,
+                                   " service=", c->param_service);
                 BIOerr(BIO_F_CONN_STATE, BIO_R_NBIO_CONNECT_ERROR);
                 ret = 0;
                 goto exit_loop;
@@ -269,7 +206,7 @@ static int conn_state(BIO *b, BIO_CONNECT *c)
         }
 
         if (cb != NULL) {
-            if (!(ret = cb((BIO *)b, c->state, ret)))
+            if ((ret = cb((BIO *)b, c->state, ret)) == 0)
                 goto end;
         }
     }
@@ -279,27 +216,18 @@ static int conn_state(BIO *b, BIO_CONNECT *c)
     if (cb != NULL)
         ret = cb((BIO *)b, c->state, ret);
  end:
-    return (ret);
+    return ret;
 }
 
 BIO_CONNECT *BIO_CONNECT_new(void)
 {
     BIO_CONNECT *ret;
 
-    if ((ret = OPENSSL_malloc(sizeof(BIO_CONNECT))) == NULL)
-        return (NULL);
+    if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL)
+        return NULL;
     ret->state = BIO_CONN_S_BEFORE;
-    ret->param_hostname = NULL;
-    ret->param_port = NULL;
-    ret->info_callback = NULL;
-    ret->nbio = 0;
-    ret->ip[0] = 0;
-    ret->ip[1] = 0;
-    ret->ip[2] = 0;
-    ret->ip[3] = 0;
-    ret->port = 0;
-    memset((char *)&ret->them, 0, sizeof(ret->them));
-    return (ret);
+    ret->connect_family = BIO_FAMILY_IPANY;
+    return ret;
 }
 
 void BIO_CONNECT_free(BIO_CONNECT *a)
@@ -308,24 +236,25 @@ void BIO_CONNECT_free(BIO_CONNECT *a)
         return;
 
     OPENSSL_free(a->param_hostname);
-    OPENSSL_free(a->param_port);
+    OPENSSL_free(a->param_service);
+    BIO_ADDRINFO_free(a->addr_first);
     OPENSSL_free(a);
 }
 
-BIO_METHOD *BIO_s_connect(void)
+const BIO_METHOD *BIO_s_connect(void)
 {
-    return (&methods_connectp);
+    return &methods_connectp;
 }
 
 static int conn_new(BIO *bi)
 {
     bi->init = 0;
-    bi->num = INVALID_SOCKET;
+    bi->num = (int)INVALID_SOCKET;
     bi->flags = 0;
     if ((bi->ptr = (char *)BIO_CONNECT_new()) == NULL)
-        return (0);
+        return 0;
     else
-        return (1);
+        return 1;
 }
 
 static void conn_close_socket(BIO *bio)
@@ -333,12 +262,12 @@ static void conn_close_socket(BIO *bio)
     BIO_CONNECT *c;
 
     c = (BIO_CONNECT *)bio->ptr;
-    if (bio->num != INVALID_SOCKET) {
+    if (bio->num != (int)INVALID_SOCKET) {
         /* Only do a shutdown if things were established */
         if (c->state == BIO_CONN_S_OK)
             shutdown(bio->num, 2);
-        closesocket(bio->num);
-        bio->num = INVALID_SOCKET;
+        BIO_closesocket(bio->num);
+        bio->num = (int)INVALID_SOCKET;
     }
 }
 
@@ -347,7 +276,7 @@ static int conn_free(BIO *a)
     BIO_CONNECT *data;
 
     if (a == NULL)
-        return (0);
+        return 0;
     data = (BIO_CONNECT *)a->ptr;
 
     if (a->shutdown) {
@@ -357,7 +286,7 @@ static int conn_free(BIO *a)
         a->flags = 0;
         a->init = 0;
     }
-    return (1);
+    return 1;
 }
 
 static int conn_read(BIO *b, char *out, int outl)
@@ -369,7 +298,7 @@ static int conn_read(BIO *b, char *out, int outl)
     if (data->state != BIO_CONN_S_OK) {
         ret = conn_state(b, data);
         if (ret <= 0)
-            return (ret);
+            return ret;
     }
 
     if (out != NULL) {
@@ -381,7 +310,7 @@ static int conn_read(BIO *b, char *out, int outl)
                 BIO_set_retry_read(b);
         }
     }
-    return (ret);
+    return ret;
 }
 
 static int conn_write(BIO *b, const char *in, int inl)
@@ -393,7 +322,7 @@ static int conn_write(BIO *b, const char *in, int inl)
     if (data->state != BIO_CONN_S_OK) {
         ret = conn_state(b, data);
         if (ret <= 0)
-            return (ret);
+            return ret;
     }
 
     clear_socket_error();
@@ -403,14 +332,14 @@ static int conn_write(BIO *b, const char *in, int inl)
         if (BIO_sock_should_retry(ret))
             BIO_set_retry_write(b);
     }
-    return (ret);
+    return ret;
 }
 
 static long conn_ctrl(BIO *b, int cmd, long num, void *ptr)
 {
     BIO *dbio;
     int *ip;
-    const char **pptr;
+    const char **pptr = NULL;
     long ret = 1;
     BIO_CONNECT *data;
 
@@ -421,6 +350,8 @@ static long conn_ctrl(BIO *b, int cmd, long num, void *ptr)
         ret = 0;
         data->state = BIO_CONN_S_BEFORE;
         conn_close_socket(b);
+        BIO_ADDRINFO_free(data->addr_first);
+        data->addr_first = NULL;
         b->flags = 0;
         break;
     case BIO_C_DO_STATE_MACHINE:
@@ -435,49 +366,78 @@ static long conn_ctrl(BIO *b, int cmd, long num, void *ptr)
             pptr = (const char **)ptr;
             if (num == 0) {
                 *pptr = data->param_hostname;
-
             } else if (num == 1) {
-                *pptr = data->param_port;
+                *pptr = data->param_service;
             } else if (num == 2) {
-                *pptr = (char *)&(data->ip[0]);
+                *pptr = (const char *)BIO_ADDRINFO_address(data->addr_iter);
             } else if (num == 3) {
-                *((int *)ptr) = data->port;
+                switch (BIO_ADDRINFO_family(data->addr_iter)) {
+# ifdef AF_INET6
+                case AF_INET6:
+                    ret = BIO_FAMILY_IPV6;
+                    break;
+# endif
+                case AF_INET:
+                    ret = BIO_FAMILY_IPV4;
+                    break;
+                case 0:
+                    ret = data->connect_family;
+                    break;
+                default:
+                    ret = -1;
+                    break;
+                }
+            } else {
+                ret = 0;
             }
-            if ((!b->init) || (ptr == NULL))
-                *pptr = "not initialized";
-            ret = 1;
+        } else {
+            ret = 0;
         }
         break;
     case BIO_C_SET_CONNECT:
         if (ptr != NULL) {
             b->init = 1;
             if (num == 0) {
+                char *hold_service = data->param_service;
+                /* We affect the hostname regardless.  However, the input
+                 * string might contain a host:service spec, so we must
+                 * parse it, which might or might not affect the service
+                 */
                 OPENSSL_free(data->param_hostname);
-                data->param_hostname = BUF_strdup(ptr);
+                data->param_hostname = NULL;
+                ret = BIO_parse_hostserv(ptr,
+                                         &data->param_hostname,
+                                         &data->param_service,
+                                         BIO_PARSE_PRIO_HOST);
+                if (hold_service != data->param_service)
+                    OPENSSL_free(hold_service);
             } else if (num == 1) {
-                OPENSSL_free(data->param_port);
-                data->param_port = BUF_strdup(ptr);
+                OPENSSL_free(data->param_service);
+                data->param_service = BUF_strdup(ptr);
             } else if (num == 2) {
-                char buf[16];
-                unsigned char *p = ptr;
-
-                BIO_snprintf(buf, sizeof buf, "%d.%d.%d.%d",
-                             p[0], p[1], p[2], p[3]);
-                OPENSSL_free(data->param_hostname);
-                data->param_hostname = BUF_strdup(buf);
-                memcpy(&(data->ip[0]), ptr, 4);
+                const BIO_ADDR *addr = (const BIO_ADDR *)ptr;
+                if (ret) {
+                    data->param_hostname = BIO_ADDR_hostname_string(addr, 1);
+                    data->param_service = BIO_ADDR_service_string(addr, 1);
+                    BIO_ADDRINFO_free(data->addr_first);
+                    data->addr_first = NULL;
+                    data->addr_iter = NULL;
+                }
             } else if (num == 3) {
-                char buf[DECIMAL_SIZE(int) + 1];
-
-                BIO_snprintf(buf, sizeof buf, "%d", *(int *)ptr);
-                OPENSSL_free(data->param_port);
-                data->param_port = BUF_strdup(buf);
-                data->port = *(int *)ptr;
+                data->connect_family = *(int *)ptr;
+            } else {
+                ret = 0;
             }
         }
         break;
     case BIO_C_SET_NBIO:
-        data->nbio = (int)num;
+        if (num != 0)
+            data->connect_mode |= BIO_SOCK_NONBLOCK;
+        else
+            data->connect_mode &= ~BIO_SOCK_NONBLOCK;
+        break;
+    case BIO_C_SET_CONNECT_MODE:
+        data->connect_mode = (int)num;
         break;
     case BIO_C_GET_FD:
         if (b->init) {
@@ -503,35 +463,27 @@ static long conn_ctrl(BIO *b, int cmd, long num, void *ptr)
     case BIO_CTRL_DUP:
         {
             dbio = (BIO *)ptr;
-            if (data->param_port)
-                BIO_set_conn_port(dbio, data->param_port);
             if (data->param_hostname)
                 BIO_set_conn_hostname(dbio, data->param_hostname);
-            BIO_set_nbio(dbio, data->nbio);
+            if (data->param_service)
+                BIO_set_conn_port(dbio, data->param_service);
+            BIO_set_conn_ip_family(dbio, data->connect_family);
+            BIO_set_conn_mode(dbio, data->connect_mode);
             /*
              * FIXME: the cast of the function seems unlikely to be a good
              * idea
              */
-            (void)BIO_set_info_callback(dbio,
-                                        (bio_info_cb *)data->info_callback);
+            (void)BIO_set_info_callback(dbio, data->info_callback);
         }
         break;
     case BIO_CTRL_SET_CALLBACK:
-        {
-# if 0                          /* FIXME: Should this be used? -- Richard
-                                 * Levitte */
-            BIOerr(BIO_F_CONN_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
-            ret = -1;
-# else
-            ret = 0;
-# endif
-        }
+        ret = 0; /* use callback ctrl */
         break;
     case BIO_CTRL_GET_CALLBACK:
         {
-            int (**fptr) (const BIO *bio, int state, int xret);
+            BIO_info_cb **fptr;
 
-            fptr = (int (**)(const BIO *bio, int state, int xret))ptr;
+            fptr = (BIO_info_cb **)ptr;
             *fptr = data->info_callback;
         }
         break;
@@ -539,10 +491,10 @@ static long conn_ctrl(BIO *b, int cmd, long num, void *ptr)
         ret = 0;
         break;
     }
-    return (ret);
+    return ret;
 }
 
-static long conn_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
+static long conn_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
 {
     long ret = 1;
     BIO_CONNECT *data;
@@ -552,15 +504,14 @@ static long conn_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
     switch (cmd) {
     case BIO_CTRL_SET_CALLBACK:
         {
-            data->info_callback =
-                (int (*)(const struct bio_st *, int, int))fp;
+            data->info_callback = fp;
         }
         break;
     default:
         ret = 0;
         break;
     }
-    return (ret);
+    return ret;
 }
 
 static int conn_puts(BIO *bp, const char *str)
@@ -569,7 +520,7 @@ static int conn_puts(BIO *bp, const char *str)
 
     n = strlen(str);
     ret = conn_write(bp, str, n);
-    return (ret);
+    return ret;
 }
 
 BIO *BIO_new_connect(const char *str)
@@ -578,11 +529,11 @@ BIO *BIO_new_connect(const char *str)
 
     ret = BIO_new(BIO_s_connect());
     if (ret == NULL)
-        return (NULL);
+        return NULL;
     if (BIO_set_conn_hostname(ret, str))
-        return (ret);
+        return ret;
     BIO_free(ret);
-    return (NULL);
+    return NULL;
 }
 
 #endif