-/* crypto/bio/bss_conn.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2023 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 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 <stdio.h>
#include <errno.h>
-#define USE_SOCKETS
-#include "cryptlib.h"
-#include <openssl/bio.h>
-#ifndef OPENSSL_NO_SOCK
-
-#ifdef OPENSSL_SYS_WIN16
-#define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
-#else
-#define SOCKET_PROTOCOL IPPROTO_TCP
-#endif
-
-#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
-
-
-typedef struct bio_connect_st
- {
- int state;
-
- char *param_hostname;
- char *param_port;
- int nbio;
-
- unsigned char ip[4];
- unsigned short port;
+#include "bio_local.h"
+#include "internal/bio_tfo.h"
+#include "internal/ktls.h"
- struct sockaddr_in them;
-
- /* int socket; this will be kept in bio->num so that it is
- * compatible with the bss_sock bio */
+#ifndef OPENSSL_NO_SOCK
- /* called when the connection is initially made
- * callback(BIO,state,ret); 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_CONNECT;
+typedef struct bio_connect_st {
+ int state;
+ int connect_family;
+ int connect_sock_type;
+ char *param_hostname;
+ char *param_service;
+ int connect_mode;
+# ifndef OPENSSL_NO_KTLS
+ unsigned char record_type;
+# endif
+ int tfo_first;
+
+ 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
+ */
+ /*
+ * called when the connection is initially made callback(BIO,state,ret);
+ * The callback should return 'ret'. state is for compatibility with the
+ * ssl info_callback
+ */
+ BIO_info_cb *info_callback;
+ /*
+ * Used when connect_sock_type is SOCK_DGRAM. Owned by us; we forward
+ * read/write(mmsg) calls to this if present.
+ */
+ BIO *dgram_bio;
+} BIO_CONNECT;
static int conn_write(BIO *h, const char *buf, int num);
static int conn_read(BIO *h, char *buf, int size);
static int conn_puts(BIO *h, const char *str);
+static int conn_gets(BIO *h, char *buf, int size);
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_sendmmsg(BIO *h, BIO_MSG *m, size_t s, size_t n,
+ uint64_t f, size_t *mp);
+static int conn_recvmmsg(BIO *h, BIO_MSG *m, size_t s, size_t n,
+ uint64_t f, size_t *mp);
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=
- {
- BIO_TYPE_CONNECT,
- "socket connect",
- conn_write,
- conn_read,
- conn_puts,
- NULL, /* connect_gets, */
- conn_ctrl,
- conn_new,
- conn_free,
- conn_callback_ctrl,
- };
+static BIO_CONNECT *BIO_CONNECT_new(void);
+static void BIO_CONNECT_free(BIO_CONNECT *a);
+
+#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
+#define BIO_CONN_S_CONNECT_ERROR 7
+
+static const BIO_METHOD methods_connectp = {
+ BIO_TYPE_CONNECT,
+ "socket connect",
+ bwrite_conv,
+ conn_write,
+ bread_conv,
+ conn_read,
+ conn_puts,
+ conn_gets,
+ conn_ctrl,
+ conn_new,
+ conn_free,
+ conn_callback_ctrl,
+ conn_sendmmsg,
+ conn_recvmmsg,
+};
+
+static int conn_create_dgram_bio(BIO *b, BIO_CONNECT *c)
+{
+ if (c->connect_sock_type != SOCK_DGRAM)
+ return 1;
+
+#ifndef OPENSSL_NO_DGRAM
+ c->dgram_bio = BIO_new_dgram(b->num, 0);
+ if (c->dgram_bio == NULL)
+ goto err;
+
+ return 1;
+
+err:
+#endif
+ c->state = BIO_CONN_S_CONNECT_ERROR;
+ return 0;
+}
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;
-
- if (c->info_callback != NULL)
- cb=c->info_callback;
-
- 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);
- goto exit_loop;
- }
- for ( ; *p != '\0'; p++)
- {
- if ((*p == ':') || (*p == '/')) break;
- }
-
- i= *p;
- if ((i == ':') || (i == '/'))
- {
-
- *(p++)='\0';
- if (i == ':')
- {
- for (q=p; *q; q++)
- if (*q == '/')
- {
- *q='\0';
- break;
- }
- if (c->param_port != NULL)
- OPENSSL_free(c->param_port);
- c->param_port=BUF_strdup(p);
- }
- }
-
- if (c->param_port == NULL)
- {
- BIOerr(BIO_F_CONN_STATE,BIO_R_NO_PORT_SPECIFIED);
- ERR_add_error_data(2,"host=",c->param_hostname);
- 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->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,SOCKET_PROTOCOL);
- if (ret == INVALID_SOCKET)
- {
- 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_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) && !defined(OPENSSL_SYS_MPE)
- 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;
- }
+{
+ int ret = -1, i, opts;
+ BIO_info_cb *cb = NULL;
+
+ if (c->info_callback != NULL)
+ cb = c->info_callback;
+
+ for (;;) {
+ switch (c->state) {
+ case BIO_CONN_S_BEFORE:
+ if (c->param_hostname == NULL && c->param_service == NULL) {
+ ERR_raise_data(ERR_LIB_BIO,
+ BIO_R_NO_HOSTNAME_OR_SERVICE_SPECIFIED,
+ "hostname=%s service=%s",
+ c->param_hostname, c->param_service);
+ goto exit_loop;
+ }
+ c->state = BIO_CONN_S_GET_ADDR;
+ break;
+
+ 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.
+ */
+#if OPENSSL_USE_IPV6
+ family = AF_INET6;
+ } else {
#endif
- break;
-
- case BIO_CONN_S_CONNECT:
- BIO_clear_retry_flags(b);
- ret=connect(b->num,
- (struct sockaddr *)&c->them,
- sizeof(c->them));
- b->retry_reason=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;
- }
- else
- {
- SYSerr(SYS_F_CONNECT,get_last_socket_error());
- ERR_add_error_data(4,"host=",
- c->param_hostname,
- ":",c->param_port);
- BIOerr(BIO_F_CONN_STATE,BIO_R_CONNECT_ERROR);
- }
- goto exit_loop;
- }
- else
- c->state=BIO_CONN_S_OK;
- break;
-
- case BIO_CONN_S_BLOCKED_CONNECT:
- i=BIO_sock_error(b->num);
- if (i)
- {
- BIO_clear_retry_flags(b);
- SYSerr(SYS_F_CONNECT,i);
- ERR_add_error_data(4,"host=",
- c->param_hostname,
- ":",c->param_port);
- BIOerr(BIO_F_CONN_STATE,BIO_R_NBIO_CONNECT_ERROR);
- ret=0;
- goto exit_loop;
- }
- else
- c->state=BIO_CONN_S_OK;
- break;
-
- case BIO_CONN_S_OK:
- ret=1;
- goto exit_loop;
- default:
- /* abort(); */
- goto exit_loop;
- }
-
- if (cb != NULL)
- {
- if (!(ret=cb((BIO *)b,c->state,ret)))
- goto end;
- }
- }
-
- /* Loop does not exit */
-exit_loop:
- if (cb != NULL)
- ret=cb((BIO *)b,c->state,ret);
-end:
- return(ret);
- }
-
-BIO_CONNECT *BIO_CONNECT_new(void)
- {
- BIO_CONNECT *ret;
-
- if ((ret=(BIO_CONNECT *)OPENSSL_malloc(sizeof(BIO_CONNECT))) == 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);
- }
-
-void BIO_CONNECT_free(BIO_CONNECT *a)
- {
- if(a == NULL)
- return;
-
- if (a->param_hostname != NULL)
- OPENSSL_free(a->param_hostname);
- if (a->param_port != NULL)
- OPENSSL_free(a->param_port);
- OPENSSL_free(a);
- }
-
-BIO_METHOD *BIO_s_connect(void)
- {
- return(&methods_connectp);
- }
+ ERR_raise(ERR_LIB_BIO, 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:
+ ERR_raise(ERR_LIB_BIO, BIO_R_UNSUPPORTED_IP_FAMILY);
+ goto exit_loop;
+ }
+ if (BIO_lookup(c->param_hostname, c->param_service,
+ BIO_LOOKUP_CLIENT,
+ family, c->connect_sock_type,
+ &c->addr_first) == 0)
+ goto exit_loop;
+ }
+ if (c->addr_first == NULL) {
+ ERR_raise(ERR_LIB_BIO, BIO_R_LOOKUP_RETURNED_NOTHING);
+ goto exit_loop;
+ }
+ c->addr_iter = c->addr_first;
+ c->state = BIO_CONN_S_CREATE_SOCKET;
+ break;
+
+ case BIO_CONN_S_CREATE_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) {
+ ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
+ "calling socket(%s, %s)",
+ c->param_hostname, c->param_service);
+ ERR_raise(ERR_LIB_BIO, BIO_R_UNABLE_TO_CREATE_SOCKET);
+ goto exit_loop;
+ }
+ b->num = ret;
+ c->state = BIO_CONN_S_CONNECT;
+ break;
+
+ case BIO_CONN_S_CONNECT:
+ BIO_clear_retry_flags(b);
+ ERR_set_mark();
+
+ opts = c->connect_mode;
+ if (BIO_ADDRINFO_socktype(c->addr_iter) == SOCK_STREAM)
+ opts |= BIO_SOCK_KEEPALIVE;
+
+ ret = BIO_connect(b->num, BIO_ADDRINFO_address(c->addr_iter), opts);
+ b->retry_reason = 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_pop_to_mark();
+ } 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_pop_to_mark();
+ break;
+ } else {
+ ERR_clear_last_mark();
+ ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
+ "calling connect(%s, %s)",
+ c->param_hostname, c->param_service);
+ c->state = BIO_CONN_S_CONNECT_ERROR;
+ break;
+ }
+ goto exit_loop;
+ } else {
+ ERR_clear_last_mark();
+ if (!conn_create_dgram_bio(b, c))
+ break;
+ c->state = BIO_CONN_S_OK;
+ }
+ break;
+
+ case BIO_CONN_S_BLOCKED_CONNECT:
+ /* wait for socket being writable, before querying BIO_sock_error */
+ if (BIO_socket_wait(b->num, 0, time(NULL)) == 0)
+ break;
+ i = BIO_sock_error(b->num);
+ if (i != 0) {
+ BIO_clear_retry_flags(b);
+ 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;
+ break;
+ }
+ ERR_raise_data(ERR_LIB_SYS, i,
+ "calling connect(%s, %s)",
+ c->param_hostname, c->param_service);
+ ERR_raise(ERR_LIB_BIO, BIO_R_NBIO_CONNECT_ERROR);
+ ret = 0;
+ goto exit_loop;
+ } else {
+ if (!conn_create_dgram_bio(b, c))
+ break;
+ c->state = BIO_CONN_S_OK;
+# ifndef OPENSSL_NO_KTLS
+ /*
+ * The new socket is created successfully regardless of ktls_enable.
+ * ktls_enable doesn't change any functionality of the socket, except
+ * changing the setsockopt to enable the processing of ktls_start.
+ * Thus, it is not a problem to call it for non-TLS sockets.
+ */
+ ktls_enable(b->num);
+# endif
+ }
+ break;
+
+ case BIO_CONN_S_CONNECT_ERROR:
+ ERR_raise(ERR_LIB_BIO, BIO_R_CONNECT_ERROR);
+ ret = 0;
+ goto exit_loop;
+
+ case BIO_CONN_S_OK:
+ ret = 1;
+ goto exit_loop;
+ default:
+ /* abort(); */
+ goto exit_loop;
+ }
+
+ if (cb != NULL) {
+ if ((ret = cb((BIO *)b, c->state, ret)) == 0)
+ goto end;
+ }
+ }
+
+ /* Loop does not exit */
+ exit_loop:
+ if (cb != NULL)
+ ret = cb((BIO *)b, c->state, ret);
+ end:
+ return ret;
+}
+
+static BIO_CONNECT *BIO_CONNECT_new(void)
+{
+ BIO_CONNECT *ret;
+
+ if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL)
+ return NULL;
+ ret->state = BIO_CONN_S_BEFORE;
+ ret->connect_family = BIO_FAMILY_IPANY;
+ ret->connect_sock_type = SOCK_STREAM;
+ return ret;
+}
+
+static void BIO_CONNECT_free(BIO_CONNECT *a)
+{
+ if (a == NULL)
+ return;
+ OPENSSL_free(a->param_hostname);
+ OPENSSL_free(a->param_service);
+ BIO_ADDRINFO_free(a->addr_first);
+ OPENSSL_free(a);
+}
+
+const BIO_METHOD *BIO_s_connect(void)
+{
+ return &methods_connectp;
+}
static int conn_new(BIO *bi)
- {
- bi->init=0;
- bi->num=INVALID_SOCKET;
- bi->flags=0;
- if ((bi->ptr=(char *)BIO_CONNECT_new()) == NULL)
- return(0);
- else
- return(1);
- }
+{
+ bi->init = 0;
+ bi->num = (int)INVALID_SOCKET;
+ bi->flags = 0;
+ if ((bi->ptr = (char *)BIO_CONNECT_new()) == NULL)
+ return 0;
+ else
+ return 1;
+}
static void conn_close_socket(BIO *bio)
- {
- BIO_CONNECT *c;
-
- c=(BIO_CONNECT *)bio->ptr;
- if (bio->num != 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_CONNECT *c;
+
+ c = (BIO_CONNECT *)bio->ptr;
+ 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);
+ BIO_closesocket(bio->num);
+ bio->num = (int)INVALID_SOCKET;
+ }
+}
static int conn_free(BIO *a)
- {
- BIO_CONNECT *data;
-
- if (a == NULL) return(0);
- data=(BIO_CONNECT *)a->ptr;
-
- if (a->shutdown)
- {
- conn_close_socket(a);
- BIO_CONNECT_free(data);
- a->ptr=NULL;
- a->flags=0;
- a->init=0;
- }
- return(1);
- }
-
+{
+ BIO_CONNECT *data;
+
+ if (a == NULL)
+ return 0;
+ data = (BIO_CONNECT *)a->ptr;
+
+ BIO_free(data->dgram_bio);
+
+ if (a->shutdown) {
+ conn_close_socket(a);
+ BIO_CONNECT_free(data);
+ a->ptr = NULL;
+ a->flags = 0;
+ a->init = 0;
+ }
+ return 1;
+}
+
static int conn_read(BIO *b, char *out, int outl)
- {
- int ret=0;
- BIO_CONNECT *data;
-
- data=(BIO_CONNECT *)b->ptr;
- if (data->state != BIO_CONN_S_OK)
- {
- ret=conn_state(b,data);
- if (ret <= 0)
- return(ret);
- }
-
- if (out != NULL)
- {
- clear_socket_error();
- ret=readsocket(b->num,out,outl);
- BIO_clear_retry_flags(b);
- if (ret <= 0)
- {
- if (BIO_sock_should_retry(ret))
- BIO_set_retry_read(b);
- }
- }
- return(ret);
- }
+{
+ int ret = 0;
+ BIO_CONNECT *data;
+
+ data = (BIO_CONNECT *)b->ptr;
+ if (data->state != BIO_CONN_S_OK) {
+ ret = conn_state(b, data);
+ if (ret <= 0)
+ return ret;
+ }
+
+ if (data->dgram_bio != NULL) {
+ BIO_clear_retry_flags(b);
+ ret = BIO_read(data->dgram_bio, out, outl);
+ BIO_set_flags(b, BIO_get_retry_flags(data->dgram_bio));
+ return ret;
+ }
+
+ if (out != NULL) {
+ clear_socket_error();
+# ifndef OPENSSL_NO_KTLS
+ if (BIO_get_ktls_recv(b))
+ ret = ktls_read_record(b->num, out, outl);
+ else
+# endif
+ ret = readsocket(b->num, out, outl);
+ BIO_clear_retry_flags(b);
+ if (ret <= 0) {
+ if (BIO_sock_should_retry(ret))
+ BIO_set_retry_read(b);
+ else if (ret == 0)
+ b->flags |= BIO_FLAGS_IN_EOF;
+ }
+ }
+ return ret;
+}
static int conn_write(BIO *b, const char *in, int inl)
- {
- int ret;
- BIO_CONNECT *data;
-
- data=(BIO_CONNECT *)b->ptr;
- if (data->state != BIO_CONN_S_OK)
- {
- ret=conn_state(b,data);
- if (ret <= 0) return(ret);
- }
-
- clear_socket_error();
- ret=writesocket(b->num,in,inl);
- BIO_clear_retry_flags(b);
- if (ret <= 0)
- {
- if (BIO_sock_should_retry(ret))
- BIO_set_retry_write(b);
- }
- return(ret);
- }
+{
+ int ret;
+ BIO_CONNECT *data;
+
+ data = (BIO_CONNECT *)b->ptr;
+ if (data->state != BIO_CONN_S_OK) {
+ ret = conn_state(b, data);
+ if (ret <= 0)
+ return ret;
+ }
+
+ if (data->dgram_bio != NULL) {
+ BIO_clear_retry_flags(b);
+ ret = BIO_write(data->dgram_bio, in, inl);
+ BIO_set_flags(b, BIO_get_retry_flags(data->dgram_bio));
+ return ret;
+ }
+
+ clear_socket_error();
+# ifndef OPENSSL_NO_KTLS
+ if (BIO_should_ktls_ctrl_msg_flag(b)) {
+ ret = ktls_send_ctrl_message(b->num, data->record_type, in, inl);
+ if (ret >= 0) {
+ ret = inl;
+ BIO_clear_ktls_ctrl_msg_flag(b);
+ }
+ } else
+# endif
+# if defined(OSSL_TFO_SENDTO)
+ if (data->tfo_first) {
+ int peerlen = BIO_ADDRINFO_sockaddr_size(data->addr_iter);
+
+ ret = sendto(b->num, in, inl, OSSL_TFO_SENDTO,
+ BIO_ADDRINFO_sockaddr(data->addr_iter), peerlen);
+ data->tfo_first = 0;
+ } else
+# endif
+ ret = writesocket(b->num, in, inl);
+ BIO_clear_retry_flags(b);
+ if (ret <= 0) {
+ if (BIO_sock_should_retry(ret))
+ BIO_set_retry_write(b);
+ }
+ return ret;
+}
static long conn_ctrl(BIO *b, int cmd, long num, void *ptr)
- {
- BIO *dbio;
- int *ip;
- const char **pptr;
- long ret=1;
- BIO_CONNECT *data;
-
- data=(BIO_CONNECT *)b->ptr;
-
- switch (cmd)
- {
- case BIO_CTRL_RESET:
- ret=0;
- data->state=BIO_CONN_S_BEFORE;
- conn_close_socket(b);
- b->flags=0;
- break;
- case BIO_C_DO_STATE_MACHINE:
- /* use this one to start the connection */
- if (!data->state != BIO_CONN_S_OK)
- ret=(long)conn_state(b,data);
- else
- ret=1;
- break;
- case BIO_C_GET_CONNECT:
- if (ptr != NULL)
- {
- pptr=(const char **)ptr;
- if (num == 0)
- {
- *pptr=data->param_hostname;
-
- }
- else if (num == 1)
- {
- *pptr=data->param_port;
- }
- else if (num == 2)
- {
- *pptr= (char *)&(data->ip[0]);
- }
- else if (num == 3)
- {
- *((int *)ptr)=data->port;
- }
- if ((!b->init) || (ptr == NULL))
- *pptr="not initialized";
- ret=1;
- }
- break;
- case BIO_C_SET_CONNECT:
- if (ptr != NULL)
- {
- b->init=1;
- if (num == 0)
- {
- if (data->param_hostname != NULL)
- OPENSSL_free(data->param_hostname);
- data->param_hostname=BUF_strdup(ptr);
- }
- else if (num == 1)
- {
- if (data->param_port != NULL)
- OPENSSL_free(data->param_port);
- data->param_port=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]);
- if (data->param_hostname != NULL)
- OPENSSL_free(data->param_hostname);
- data->param_hostname=BUF_strdup(buf);
- memcpy(&(data->ip[0]),ptr,4);
- }
- else if (num == 3)
- {
- char buf[DECIMAL_SIZE(int)+1];
-
- BIO_snprintf(buf,sizeof buf,"%d",*(int *)ptr);
- if (data->param_port != NULL)
- OPENSSL_free(data->param_port);
- data->param_port=BUF_strdup(buf);
- data->port= *(int *)ptr;
- }
- }
- break;
- case BIO_C_SET_NBIO:
- data->nbio=(int)num;
- break;
- case BIO_C_GET_FD:
- if (b->init)
- {
- ip=(int *)ptr;
- if (ip != NULL)
- *ip=b->num;
- ret=b->num;
- }
- else
- ret= -1;
- break;
- case BIO_CTRL_GET_CLOSE:
- ret=b->shutdown;
- break;
- case BIO_CTRL_SET_CLOSE:
- b->shutdown=(int)num;
- break;
- case BIO_CTRL_PENDING:
- case BIO_CTRL_WPENDING:
- ret=0;
- break;
- case BIO_CTRL_FLUSH:
- break;
- 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);
- /* 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);
- }
- 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;
+{
+ BIO *dbio;
+ int *ip;
+ const char **pptr = NULL;
+ long ret = 1;
+ BIO_CONNECT *data;
+ const BIO_ADDR *dg_addr;
+# ifndef OPENSSL_NO_KTLS
+ ktls_crypto_info_t *crypto_info;
+# endif
+
+ data = (BIO_CONNECT *)b->ptr;
+
+ switch (cmd) {
+ case BIO_CTRL_RESET:
+ 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:
+ /* use this one to start the connection */
+ if (data->state != BIO_CONN_S_OK)
+ ret = (long)conn_state(b, data);
+ else
+ ret = 1;
+ break;
+ case BIO_C_GET_CONNECT:
+ if (ptr != NULL) {
+ pptr = (const char **)ptr;
+ if (num == 0) {
+ *pptr = data->param_hostname;
+ } else if (num == 1) {
+ *pptr = data->param_service;
+ } else if (num == 2) {
+ *pptr = (const char *)BIO_ADDRINFO_address(data->addr_iter);
+ } else if (num == 3) {
+ switch (BIO_ADDRINFO_family(data->addr_iter)) {
+# if OPENSSL_USE_IPV6
+ 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 if (num == 4) {
+ ret = data->connect_mode;
+ } else {
+ ret = 0;
+ }
+ } else {
+ ret = 0;
+ }
+ break;
+ case BIO_C_SET_CONNECT:
+ if (ptr != NULL) {
+ b->init = 1;
+ if (num == 0) { /* BIO_set_conn_hostname */
+ 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 = 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) { /* BIO_set_conn_port */
+ OPENSSL_free(data->param_service);
+ if ((data->param_service = OPENSSL_strdup(ptr)) == NULL)
+ ret = 0;
+ } else if (num == 2) { /* BIO_set_conn_address */
+ const BIO_ADDR *addr = (const BIO_ADDR *)ptr;
+ char *host = BIO_ADDR_hostname_string(addr, 1);
+ char *service = BIO_ADDR_service_string(addr, 1);
+
+ ret = host != NULL && service != NULL;
+ if (ret) {
+ OPENSSL_free(data->param_hostname);
+ data->param_hostname = host;
+ OPENSSL_free(data->param_service);
+ data->param_service = service;
+ BIO_ADDRINFO_free(data->addr_first);
+ data->addr_first = NULL;
+ data->addr_iter = NULL;
+ } else {
+ OPENSSL_free(host);
+ OPENSSL_free(service);
+ }
+ } else if (num == 3) { /* BIO_set_conn_ip_family */
+ data->connect_family = *(int *)ptr;
+ } else {
+ ret = 0;
+ }
+ }
+ break;
+ case BIO_C_SET_SOCK_TYPE:
+ if ((num != SOCK_STREAM && num != SOCK_DGRAM)
+ || data->state >= BIO_CONN_S_GET_ADDR) {
+ ret = 0;
+ break;
+ }
+
+ data->connect_sock_type = (int)num;
+ ret = 1;
+ break;
+ case BIO_C_GET_SOCK_TYPE:
+ ret = data->connect_sock_type;
+ break;
+ case BIO_C_GET_DGRAM_BIO:
+ if (data->dgram_bio != NULL) {
+ *(BIO **)ptr = data->dgram_bio;
+ ret = 1;
+ } else {
+ ret = 0;
+ }
+ break;
+ case BIO_CTRL_DGRAM_GET_PEER:
+ case BIO_CTRL_DGRAM_DETECT_PEER_ADDR:
+ if (data->state != BIO_CONN_S_OK)
+ conn_state(b, data); /* best effort */
+
+ if (data->state >= BIO_CONN_S_CREATE_SOCKET
+ && data->addr_iter != NULL
+ && (dg_addr = BIO_ADDRINFO_address(data->addr_iter)) != NULL) {
+
+ ret = BIO_ADDR_sockaddr_size(dg_addr);
+ if (num == 0 || num > ret)
+ num = ret;
+
+ memcpy(ptr, dg_addr, num);
+ ret = num;
+ } else {
+ ret = 0;
+ }
+
+ break;
+ case BIO_CTRL_GET_RPOLL_DESCRIPTOR:
+ case BIO_CTRL_GET_WPOLL_DESCRIPTOR:
+ {
+ BIO_POLL_DESCRIPTOR *pd = ptr;
+
+ if (data->state != BIO_CONN_S_OK)
+ conn_state(b, data); /* best effort */
+
+ if (data->state >= BIO_CONN_S_CREATE_SOCKET) {
+ pd->type = BIO_POLL_DESCRIPTOR_TYPE_SOCK_FD;
+ pd->value.fd = b->num;
+ } else {
+ ret = 0;
+ }
+ }
+ break;
+ case BIO_C_SET_NBIO:
+ if (num != 0)
+ data->connect_mode |= BIO_SOCK_NONBLOCK;
+ else
+ data->connect_mode &= ~BIO_SOCK_NONBLOCK;
+
+ if (data->dgram_bio != NULL)
+ ret = BIO_set_nbio(data->dgram_bio, num);
+
+ break;
+#if defined(TCP_FASTOPEN) && !defined(OPENSSL_NO_TFO)
+ case BIO_C_SET_TFO:
+ if (num != 0) {
+ data->connect_mode |= BIO_SOCK_TFO;
+ data->tfo_first = 1;
+ } else {
+ data->connect_mode &= ~BIO_SOCK_TFO;
+ data->tfo_first = 0;
+ }
+ break;
#endif
- }
- break;
- case BIO_CTRL_GET_CALLBACK:
- {
- int (**fptr)();
-
- fptr=(int (**)())ptr;
- *fptr=data->info_callback;
- }
- break;
- default:
- ret=0;
- break;
- }
- return(ret);
- }
-
-static long conn_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
- {
- long ret=1;
- BIO_CONNECT *data;
-
- data=(BIO_CONNECT *)b->ptr;
-
- switch (cmd)
- {
- case BIO_CTRL_SET_CALLBACK:
- {
- data->info_callback=(int (*)(const struct bio_st *, int, int))fp;
- }
- break;
- default:
- ret=0;
- break;
- }
- return(ret);
- }
+ case BIO_C_SET_CONNECT_MODE:
+ data->connect_mode = (int)num;
+ if (num & BIO_SOCK_TFO)
+ data->tfo_first = 1;
+ else
+ data->tfo_first = 0;
+ break;
+ case BIO_C_GET_FD:
+ if (b->init) {
+ ip = (int *)ptr;
+ if (ip != NULL)
+ *ip = b->num;
+ ret = b->num;
+ } else
+ ret = -1;
+ break;
+ case BIO_CTRL_GET_CLOSE:
+ ret = b->shutdown;
+ break;
+ case BIO_CTRL_SET_CLOSE:
+ b->shutdown = (int)num;
+ break;
+ case BIO_CTRL_PENDING:
+ case BIO_CTRL_WPENDING:
+ ret = 0;
+ break;
+ case BIO_CTRL_FLUSH:
+ break;
+ case BIO_CTRL_DUP:
+ {
+ dbio = (BIO *)ptr;
+ if (data->param_hostname)
+ BIO_set_conn_hostname(dbio, data->param_hostname);
+ 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, data->info_callback);
+ }
+ break;
+ case BIO_CTRL_SET_CALLBACK:
+ ret = 0; /* use callback ctrl */
+ break;
+ case BIO_CTRL_GET_CALLBACK:
+ {
+ BIO_info_cb **fptr;
+
+ fptr = (BIO_info_cb **)ptr;
+ *fptr = data->info_callback;
+ }
+ break;
+ case BIO_CTRL_EOF:
+ ret = (b->flags & BIO_FLAGS_IN_EOF) != 0;
+ break;
+# ifndef OPENSSL_NO_KTLS
+ case BIO_CTRL_SET_KTLS:
+ crypto_info = (ktls_crypto_info_t *)ptr;
+ ret = ktls_start(b->num, crypto_info, num);
+ if (ret)
+ BIO_set_ktls_flag(b, num);
+ break;
+ case BIO_CTRL_GET_KTLS_SEND:
+ return BIO_should_ktls_flag(b, 1) != 0;
+ case BIO_CTRL_GET_KTLS_RECV:
+ return BIO_should_ktls_flag(b, 0) != 0;
+ case BIO_CTRL_SET_KTLS_TX_SEND_CTRL_MSG:
+ BIO_set_ktls_ctrl_msg_flag(b);
+ data->record_type = num;
+ ret = 0;
+ break;
+ case BIO_CTRL_CLEAR_KTLS_TX_CTRL_MSG:
+ BIO_clear_ktls_ctrl_msg_flag(b);
+ ret = 0;
+ break;
+ case BIO_CTRL_SET_KTLS_TX_ZEROCOPY_SENDFILE:
+ ret = ktls_enable_tx_zerocopy_sendfile(b->num);
+ if (ret)
+ BIO_set_ktls_zerocopy_sendfile_flag(b);
+ break;
+# endif
+ default:
+ ret = 0;
+ break;
+ }
+ return ret;
+}
+
+static long conn_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
+{
+ long ret = 1;
+ BIO_CONNECT *data;
+
+ data = (BIO_CONNECT *)b->ptr;
+
+ switch (cmd) {
+ case BIO_CTRL_SET_CALLBACK:
+ {
+ data->info_callback = fp;
+ }
+ break;
+ default:
+ ret = 0;
+ break;
+ }
+ return ret;
+}
static int conn_puts(BIO *bp, const char *str)
- {
- int n,ret;
-
- n=strlen(str);
- ret=conn_write(bp,str,n);
- return(ret);
- }
-
-BIO *BIO_new_connect(char *str)
- {
- BIO *ret;
-
- ret=BIO_new(BIO_s_connect());
- if (ret == NULL) return(NULL);
- if (BIO_set_conn_hostname(ret,str))
- return(ret);
- else
- {
- BIO_free(ret);
- return(NULL);
- }
- }
+{
+ int n, ret;
+
+ n = strlen(str);
+ ret = conn_write(bp, str, n);
+ return ret;
+}
+
+int conn_gets(BIO *bio, char *buf, int size)
+{
+ BIO_CONNECT *data;
+ char *ptr = buf;
+ int ret = 0;
+
+ if (buf == NULL) {
+ ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_NULL_PARAMETER);
+ return -1;
+ }
+ if (size <= 0) {
+ ERR_raise(ERR_LIB_BIO, BIO_R_INVALID_ARGUMENT);
+ return -1;
+ }
+ *buf = '\0';
+
+ if (bio == NULL || bio->ptr == NULL) {
+ ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_NULL_PARAMETER);
+ return -1;
+ }
+ data = (BIO_CONNECT *)bio->ptr;
+ if (data->state != BIO_CONN_S_OK) {
+ ret = conn_state(bio, data);
+ if (ret <= 0)
+ return ret;
+ }
+
+ if (data->dgram_bio != NULL) {
+ ERR_raise(ERR_LIB_BIO, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return -1;
+ }
+
+ clear_socket_error();
+ while (size-- > 1) {
+# ifndef OPENSSL_NO_KTLS
+ if (BIO_get_ktls_recv(bio))
+ ret = ktls_read_record(bio->num, ptr, 1);
+ else
+# endif
+ ret = readsocket(bio->num, ptr, 1);
+ BIO_clear_retry_flags(bio);
+ if (ret <= 0) {
+ if (BIO_sock_should_retry(ret))
+ BIO_set_retry_read(bio);
+ else if (ret == 0)
+ bio->flags |= BIO_FLAGS_IN_EOF;
+ break;
+ }
+ if (*ptr++ == '\n')
+ break;
+ }
+ *ptr = '\0';
+ return ret > 0 || (bio->flags & BIO_FLAGS_IN_EOF) != 0 ? ptr - buf : ret;
+}
+
+static int conn_sendmmsg(BIO *bio, BIO_MSG *msg, size_t stride, size_t num_msgs,
+ uint64_t flags, size_t *msgs_processed)
+{
+ int ret;
+ BIO_CONNECT *data;
+
+ if (bio == NULL) {
+ *msgs_processed = 0;
+ ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_NULL_PARAMETER);
+ return 0;
+ }
+
+ data = (BIO_CONNECT *)bio->ptr;
+ if (data->state != BIO_CONN_S_OK) {
+ ret = conn_state(bio, data);
+ if (ret <= 0) {
+ *msgs_processed = 0;
+ return 0;
+ }
+ }
+
+ if (data->dgram_bio == NULL) {
+ *msgs_processed = 0;
+ ERR_raise(ERR_LIB_BIO, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return 0;
+ }
+
+ return BIO_sendmmsg(data->dgram_bio, msg, stride, num_msgs,
+ flags, msgs_processed);
+}
+
+static int conn_recvmmsg(BIO *bio, BIO_MSG *msg, size_t stride, size_t num_msgs,
+ uint64_t flags, size_t *msgs_processed)
+{
+ int ret;
+ BIO_CONNECT *data;
+
+ if (bio == NULL) {
+ *msgs_processed = 0;
+ ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_NULL_PARAMETER);
+ return 0;
+ }
+
+ data = (BIO_CONNECT *)bio->ptr;
+ if (data->state != BIO_CONN_S_OK) {
+ ret = conn_state(bio, data);
+ if (ret <= 0) {
+ *msgs_processed = 0;
+ return 0;
+ }
+ }
+
+ if (data->dgram_bio == NULL) {
+ *msgs_processed = 0;
+ ERR_raise(ERR_LIB_BIO, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+ return 0;
+ }
+
+ return BIO_recvmmsg(data->dgram_bio, msg, stride, num_msgs,
+ flags, msgs_processed);
+}
+
+BIO *BIO_new_connect(const char *str)
+{
+ BIO *ret;
+
+ ret = BIO_new(BIO_s_connect());
+ if (ret == NULL)
+ return NULL;
+ if (BIO_set_conn_hostname(ret, str))
+ return ret;
+ BIO_free(ret);
+ return NULL;
+}
#endif
-
projects / openssl.git / blobdiff