[thirdparty/openssl.git] / crypto / bio / b_sock.c

/*
 * 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 <stdlib.h>
#include <errno.h>
#include "bio_lcl.h"
#if defined(NETWARE_CLIB)
# include <sys/ioctl.h>
NETDB_DEFINE_CONTEXT
#endif
#ifndef OPENSSL_NO_SOCK
# define SOCKET_PROTOCOL IPPROTO_TCP
# ifdef SO_MAXCONN
#  define MAX_LISTEN  SO_MAXCONN
# elif defined(SOMAXCONN)
#  define MAX_LISTEN  SOMAXCONN
# else
#  define MAX_LISTEN  32
# endif
# if defined(OPENSSL_SYS_WINDOWS)
static int wsa_init_done = 0;
# endif

# if OPENSSL_API_COMPAT < 0x10100000L
int BIO_get_host_ip(const char *str, unsigned char *ip)
{
    BIO_ADDRINFO *res = NULL;
    int ret = 0;

    if (BIO_sock_init() != 1)
        return 0;               /* don't generate another error code here */

    if (BIO_lookup(str, NULL, BIO_LOOKUP_CLIENT, AF_INET, SOCK_STREAM, &res)) {
        size_t l;

        if (BIO_ADDRINFO_family(res) != AF_INET) {
            BIOerr(BIO_F_BIO_GET_HOST_IP,
                   BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET);
        } else {
            BIO_ADDR_rawaddress(BIO_ADDRINFO_address(res), NULL, &l);
            /* Because only AF_INET addresses will reach this far,
               we can assert that l should be 4 */
            OPENSSL_assert(l == 4);

            BIO_ADDR_rawaddress(BIO_ADDRINFO_address(res), ip, &l);
            ret = 1;
        }
        BIO_ADDRINFO_free(res);
    } else {
        ERR_add_error_data(2, "host=", str);
    }

    return ret;
}

int BIO_get_port(const char *str, unsigned short *port_ptr)
{
    BIO_ADDRINFO *res = NULL;
    int ret = 0;

    if (str == NULL) {
        BIOerr(BIO_F_BIO_GET_PORT, BIO_R_NO_PORT_DEFINED);
        return (0);
    }

    if (BIO_sock_init() != 1)
        return 0;               /* don't generate another error code here */

    if (BIO_lookup(NULL, str, BIO_LOOKUP_CLIENT, AF_INET, SOCK_STREAM, &res)) {
        if (BIO_ADDRINFO_family(res) != AF_INET) {
            BIOerr(BIO_F_BIO_GET_PORT,
                   BIO_R_ADDRINFO_ADDR_IS_NOT_AF_INET);
        } else {
            *port_ptr = ntohs(BIO_ADDR_rawport(BIO_ADDRINFO_address(res)));
            ret = 1;
        }
        BIO_ADDRINFO_free(res);
    } else {
        ERR_add_error_data(2, "host=", str);
    }

    return ret;
}
# endif

int BIO_sock_error(int sock)
{
    int j = 0, i;
    socklen_t size = sizeof(j);

    /*
     * Note: under Windows the third parameter is of type (char *) whereas
     * under other systems it is (void *) if you don't have a cast it will
     * choke the compiler: if you do have a cast then you can either go for
     * (char *) or (void *).
     */
    i = getsockopt(sock, SOL_SOCKET, SO_ERROR, (void *)&j, &size);
    if (i < 0)
        return (get_last_socket_error());
    else
        return (j);
}

# if OPENSSL_API_COMPAT < 0x10100000L
struct hostent *BIO_gethostbyname(const char *name)
{
    /*
     * Caching gethostbyname() results forever is wrong, so we have to let
     * the true gethostbyname() worry about this
     */
#  if (defined(NETWARE_BSDSOCK) && !defined(__NOVELL_LIBC__))
    return gethostbyname((char *)name);
#  else
    return gethostbyname(name);
#  endif
}
# endif

int BIO_sock_init(void)
{
# ifdef OPENSSL_SYS_WINDOWS
    static struct WSAData wsa_state;

    if (!wsa_init_done) {
        int err;

        wsa_init_done = 1;
        memset(&wsa_state, 0, sizeof(wsa_state));
        /*
         * Not making wsa_state available to the rest of the code is formally
         * wrong. But the structures we use are [believed to be] invariable
         * among Winsock DLLs, while API availability is [expected to be]
         * probed at run-time with DSO_global_lookup.
         */
        if (WSAStartup(0x0202, &wsa_state) != 0) {
            err = WSAGetLastError();
            SYSerr(SYS_F_WSASTARTUP, err);
            BIOerr(BIO_F_BIO_SOCK_INIT, BIO_R_WSASTARTUP);
            return (-1);
        }
    }
# endif                         /* OPENSSL_SYS_WINDOWS */
# ifdef WATT32
    extern int _watt_do_exit;
    _watt_do_exit = 0;          /* don't make sock_init() call exit() */
    if (sock_init())
        return (-1);
# endif

    return (1);
}

void bio_sock_cleanup_int(void)
{
# ifdef OPENSSL_SYS_WINDOWS
    if (wsa_init_done) {
        wsa_init_done = 0;
        WSACleanup();
    }
# endif
}

int BIO_socket_ioctl(int fd, long type, void *arg)
{
    int i;

#  ifdef __DJGPP__
    i = ioctlsocket(fd, type, (char *)arg);
#  else
#   if defined(OPENSSL_SYS_VMS)
    /*-
     * 2011-02-18 SMS.
     * VMS ioctl() can't tolerate a 64-bit "void *arg", but we
     * observe that all the consumers pass in an "unsigned long *",
     * so we arrange a local copy with a short pointer, and use
     * that, instead.
     */
#    if __INITIAL_POINTER_SIZE == 64
#     define ARG arg_32p
#     pragma pointer_size save
#     pragma pointer_size 32
    unsigned long arg_32;
    unsigned long *arg_32p;
#     pragma pointer_size restore
    arg_32p = &arg_32;
    arg_32 = *((unsigned long *)arg);
#    else                       /* __INITIAL_POINTER_SIZE == 64 */
#     define ARG arg
#    endif                      /* __INITIAL_POINTER_SIZE == 64 [else] */
#   else                        /* defined(OPENSSL_SYS_VMS) */
#    define ARG arg
#   endif                       /* defined(OPENSSL_SYS_VMS) [else] */

    i = ioctlsocket(fd, type, ARG);
#  endif                        /* __DJGPP__ */
    if (i < 0)
        SYSerr(SYS_F_IOCTLSOCKET, get_last_socket_error());
    return (i);
}

# if OPENSSL_API_COMPAT < 0x10100000L
int BIO_get_accept_socket(char *host, int bind_mode)
{
    int s = INVALID_SOCKET;
    char *h = NULL, *p = NULL;
    BIO_ADDRINFO *res = NULL;

    if (!BIO_parse_hostserv(host, &h, &p, BIO_PARSE_PRIO_SERV))
        return INVALID_SOCKET;

    if (BIO_sock_init() != 1)
        return INVALID_SOCKET;

    if (BIO_lookup(h, p, BIO_LOOKUP_SERVER, AF_UNSPEC, SOCK_STREAM, &res) != 0)
        goto err;

    if ((s = BIO_socket(BIO_ADDRINFO_family(res), BIO_ADDRINFO_socktype(res),
                        BIO_ADDRINFO_protocol(res), 0)) == INVALID_SOCKET) {
        s = INVALID_SOCKET;
        goto err;
    }

    if (!BIO_listen(s, BIO_ADDRINFO_address(res),
                    bind_mode ? BIO_SOCK_REUSEADDR : 0)) {
        BIO_closesocket(s);
        s = INVALID_SOCKET;
    }

 err:
    BIO_ADDRINFO_free(res);
    OPENSSL_free(h);
    OPENSSL_free(p);

    return s;
}

int BIO_accept(int sock, char **ip_port)
{
    BIO_ADDR res;
    int ret = -1;

    ret = BIO_accept_ex(sock, &res, 0);
    if (ret == (int)INVALID_SOCKET) {
        if (BIO_sock_should_retry(ret)) {
            ret = -2;
            goto end;
        }
        SYSerr(SYS_F_ACCEPT, get_last_socket_error());
        BIOerr(BIO_F_BIO_ACCEPT, BIO_R_ACCEPT_ERROR);
        goto end;
    }

    if (ip_port != NULL) {
        char *host = BIO_ADDR_hostname_string(&res, 1);
        char *port = BIO_ADDR_service_string(&res, 1);
        if (host != NULL && port != NULL)
            *ip_port = OPENSSL_zalloc(strlen(host) + strlen(port) + 2);
        else
            *ip_port = NULL;

        if (*ip_port == NULL) {
            BIOerr(BIO_F_BIO_ACCEPT, ERR_R_MALLOC_FAILURE);
            BIO_closesocket(ret);
            ret = (int)INVALID_SOCKET;
        } else {
            strcpy(*ip_port, host);
            strcat(*ip_port, ":");
            strcat(*ip_port, port);
        }
        OPENSSL_free(host);
        OPENSSL_free(port);
    }

 end:
    return ret;
}
# endif

int BIO_set_tcp_ndelay(int s, int on)
{
    int ret = 0;
# if defined(TCP_NODELAY) && (defined(IPPROTO_TCP) || defined(SOL_TCP))
    int opt;

#  ifdef SOL_TCP
    opt = SOL_TCP;
#  else
#   ifdef IPPROTO_TCP
    opt = IPPROTO_TCP;
#   endif
#  endif

    ret = setsockopt(s, opt, TCP_NODELAY, (char *)&on, sizeof(on));
# endif
    return (ret == 0);
}

int BIO_socket_nbio(int s, int mode)
{
    int ret = -1;
    int l;

    l = mode;
# ifdef FIONBIO
    l = mode;

    ret = BIO_socket_ioctl(s, FIONBIO, &l);
# elif defined(F_GETFL) && defined(F_SETFL) && (defined(O_NONBLOCK) || defined(FNDELAY))
    /* make sure this call always pushes an error level; BIO_socket_ioctl() does so, so we do too. */

    l = fcntl(s, F_GETFL, 0);
    if (l == -1) {
        SYSerr(SYS_F_FCNTL, get_last_rtl_error());
        ret = -1;
    } else {
#  if defined(O_NONBLOCK)
        l &= ~O_NONBLOCK;
#  else
        l &= ~FNDELAY; /* BSD4.x */
#  endif
        if (mode) {
#  if defined(O_NONBLOCK)
            l |= O_NONBLOCK;
#  else
            l |= FNDELAY; /* BSD4.x */
#  endif
        }
        ret = fcntl(s, F_SETFL, l);

        if (ret < 0) {
            SYSerr(SYS_F_FCNTL, get_last_rtl_error());
        }
    }
# else
    /* make sure this call always pushes an error level; BIO_socket_ioctl() does so, so we do too. */
    BIOerr(BIO_F_BIO_SOCKET_NBIO, ERR_R_PASSED_INVALID_ARGUMENT);
# endif

    return (ret == 0);
}

int BIO_sock_info(int sock,
                  enum BIO_sock_info_type type, union BIO_sock_info_u *info)
{
    switch (type) {
    case BIO_SOCK_INFO_ADDRESS:
        {
            socklen_t addr_len;
            int ret = 0;
            addr_len = sizeof(*info->addr);
            ret = getsockname(sock, BIO_ADDR_sockaddr_noconst(info->addr),
                              &addr_len);
            if (ret == -1) {
                SYSerr(SYS_F_GETSOCKNAME, get_last_socket_error());
                BIOerr(BIO_F_BIO_SOCK_INFO, BIO_R_GETSOCKNAME_ERROR);
                return 0;
            }
            if ((size_t)addr_len > sizeof(*info->addr)) {
                BIOerr(BIO_F_BIO_SOCK_INFO, BIO_R_GETSOCKNAME_TRUNCATED_ADDRESS);
                return 0;
            }
        }
        break;
    default:
        BIOerr(BIO_F_BIO_SOCK_INFO, BIO_R_UNKNOWN_INFO_TYPE);
        return 0;
    }
    return 1;
}

#endif
Commit	Line	Data
b1322259 RS	1	/*
b1322259 RS	2	* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
d02b48c6	3	*
b1322259 RS	4	* Licensed under the OpenSSL license (the "License"). You may not use
	5	* this file except in compliance with the License. You can obtain a copy
	6	* in the file LICENSE in the source distribution or at
	7	* https://www.openssl.org/source/license.html
d02b48c6 RE	8	*/
d02b48c6 RE	9
d02b48c6	10	#include <stdio.h>
58964a49	11	#include <stdlib.h>
d02b48c6	12	#include <errno.h>
28a0841b RL	13	#include "bio_lcl.h"
	14	#if defined(NETWARE_CLIB)
	15	# include <sys/ioctl.h>
eef0c1f3 DSH	16	NETDB_DEFINE_CONTEXT
eef0c1f3 DSH	17	#endif
9ba4cc00	18	#ifndef OPENSSL_NO_SOCK
0f113f3e MC	19	# define SOCKET_PROTOCOL IPPROTO_TCP
	20	# ifdef SO_MAXCONN
	21	# define MAX_LISTEN SO_MAXCONN
	22	# elif defined(SOMAXCONN)
	23	# define MAX_LISTEN SOMAXCONN
	24	# else
	25	# define MAX_LISTEN 32
	26	# endif
1fbab1dc	27	# if defined(OPENSSL_SYS_WINDOWS)
0f113f3e MC	28	static int wsa_init_done = 0;
0f113f3e MC	29	# endif
d02b48c6	30
d33b215b	31	# if OPENSSL_API_COMPAT < 0x10100000L
6b691a5c	32	int BIO_get_host_ip(const char str, unsigned char ip)
0f113f3e	33	{
5bca70ca RL	34	BIO_ADDRINFO *res = NULL;
5bca70ca RL	35	int ret = 0;
0f113f3e	36
0f113f3e MC	37	if (BIO_sock_init() != 1)
	38	return 0; /* don't generate another error code here */
	39
5bca70ca RL	40	if (BIO_lookup(str, NULL, BIO_LOOKUP_CLIENT, AF_INET, SOCK_STREAM, &res)) {
5bca70ca RL	41	size_t l;
0f113f3e	42
5bca70ca RL	43	if (BIO_ADDRINFO_family(res) != AF_INET) {
	44	BIOerr(BIO_F_BIO_GET_HOST_IP,
	45	BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET);
	46	} else {
	47	BIO_ADDR_rawaddress(BIO_ADDRINFO_address(res), NULL, &l);
	48	/* Because only AF_INET addresses will reach this far,
	49	we can assert that l should be 4 */
	50	OPENSSL_assert(l == 4);
0f113f3e	51
5bca70ca RL	52	BIO_ADDR_rawaddress(BIO_ADDRINFO_address(res), ip, &l);
	53	ret = 1;
	54	}
	55	BIO_ADDRINFO_free(res);
	56	} else {
	57	ERR_add_error_data(2, "host=", str);
0f113f3e	58	}
ba9f2808	59
5bca70ca	60	return ret;
0f113f3e	61	}
d02b48c6	62
6b691a5c	63	int BIO_get_port(const char str, unsigned short port_ptr)
0f113f3e	64	{
5bca70ca RL	65	BIO_ADDRINFO *res = NULL;
5bca70ca RL	66	int ret = 0;
0f113f3e MC	67
	68	if (str == NULL) {
	69	BIOerr(BIO_F_BIO_GET_PORT, BIO_R_NO_PORT_DEFINED);
	70	return (0);
	71	}
5bca70ca RL	72
	73	if (BIO_sock_init() != 1)
	74	return 0; /* don't generate another error code here */
	75
	76	if (BIO_lookup(NULL, str, BIO_LOOKUP_CLIENT, AF_INET, SOCK_STREAM, &res)) {
	77	if (BIO_ADDRINFO_family(res) != AF_INET) {
	78	BIOerr(BIO_F_BIO_GET_PORT,
	79	BIO_R_ADDRINFO_ADDR_IS_NOT_AF_INET);
	80	} else {
	81	*port_ptr = ntohs(BIO_ADDR_rawport(BIO_ADDRINFO_address(res)));
	82	ret = 1;
0f113f3e	83	}
5bca70ca RL	84	BIO_ADDRINFO_free(res);
	85	} else {
	86	ERR_add_error_data(2, "host=", str);
0f113f3e	87	}
5bca70ca RL	88
5bca70ca RL	89	return ret;
0f113f3e	90	}
d33b215b	91	# endif
d02b48c6	92
6b691a5c	93	int BIO_sock_error(int sock)
0f113f3e	94	{
5bca70ca	95	int j = 0, i;
2bd8c853	96	socklen_t size = sizeof(j);
5bca70ca	97
0f113f3e MC	98	/*
	99	* Note: under Windows the third parameter is of type (char *) whereas
	100	* under other systems it is (void *) if you don't have a cast it will
	101	* choke the compiler: if you do have a cast then you can either go for
	102	* (char ) or (void ).
	103	*/
5bca70ca	104	i = getsockopt(sock, SOL_SOCKET, SO_ERROR, (void *)&j, &size);
0f113f3e	105	if (i < 0)
2bd8c853	106	return (get_last_socket_error());
0f113f3e MC	107	else
	108	return (j);
	109	}
	110
d33b215b	111	# if OPENSSL_API_COMPAT < 0x10100000L
6b691a5c	112	struct hostent BIO_gethostbyname(const char name)
0f113f3e	113	{
0f113f3e MC	114	/*
	115	* Caching gethostbyname() results forever is wrong, so we have to let
	116	* the true gethostbyname() worry about this
	117	*/
5bca70ca	118	# if (defined(NETWARE_BSDSOCK) && !defined(__NOVELL_LIBC__))
0f113f3e	119	return gethostbyname((char *)name);
5bca70ca	120	# else
4d428cd2	121	return gethostbyname(name);
5bca70ca	122	# endif
0f113f3e	123	}
d33b215b	124	# endif
c602e7f4	125
6b691a5c	126	int BIO_sock_init(void)
0f113f3e MC	127	{
	128	# ifdef OPENSSL_SYS_WINDOWS
	129	static struct WSAData wsa_state;
	130
	131	if (!wsa_init_done) {
	132	int err;
	133
	134	wsa_init_done = 1;
	135	memset(&wsa_state, 0, sizeof(wsa_state));
	136	/*
	137	* Not making wsa_state available to the rest of the code is formally
0d4fb843	138	* wrong. But the structures we use are [believed to be] invariable
0f113f3e MC	139	* among Winsock DLLs, while API availability is [expected to be]
	140	* probed at run-time with DSO_global_lookup.
	141	*/
	142	if (WSAStartup(0x0202, &wsa_state) != 0) {
	143	err = WSAGetLastError();
	144	SYSerr(SYS_F_WSASTARTUP, err);
	145	BIOerr(BIO_F_BIO_SOCK_INIT, BIO_R_WSASTARTUP);
	146	return (-1);
	147	}
	148	}
	149	# endif /* OPENSSL_SYS_WINDOWS */
	150	# ifdef WATT32
	151	extern int _watt_do_exit;
	152	_watt_do_exit = 0; /* don't make sock_init() call exit() */
	153	if (sock_init())
	154	return (-1);
	155	# endif
	156
0f113f3e MC	157	return (1);
0f113f3e MC	158	}
d02b48c6	159
b3599dbb	160	void bio_sock_cleanup_int(void)
0f113f3e MC	161	{
	162	# ifdef OPENSSL_SYS_WINDOWS
	163	if (wsa_init_done) {
	164	wsa_init_done = 0;
4d8743f4	165	WSACleanup();
0f113f3e	166	}
0f113f3e MC	167	# endif
0f113f3e MC	168	}
d02b48c6	169
c029841e	170	int BIO_socket_ioctl(int fd, long type, void *arg)
0f113f3e MC	171	{
	172	int i;
	173
	174	# ifdef __DJGPP__
	175	i = ioctlsocket(fd, type, (char *)arg);
	176	# else
	177	# if defined(OPENSSL_SYS_VMS)
35a1cc90 MC	178	/*-
	179	* 2011-02-18 SMS.
	180	* VMS ioctl() can't tolerate a 64-bit "void *arg", but we
	181	* observe that all the consumers pass in an "unsigned long *",
	182	* so we arrange a local copy with a short pointer, and use
	183	* that, instead.
	184	*/
0f113f3e MC	185	# if __INITIAL_POINTER_SIZE == 64
	186	# define ARG arg_32p
	187	# pragma pointer_size save
	188	# pragma pointer_size 32
	189	unsigned long arg_32;
	190	unsigned long *arg_32p;
	191	# pragma pointer_size restore
	192	arg_32p = &arg_32;
	193	arg_32 = ((unsigned long )arg);
	194	# else /* __INITIAL_POINTER_SIZE == 64 */
	195	# define ARG arg
	196	# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
	197	# else /* defined(OPENSSL_SYS_VMS) */
	198	# define ARG arg
	199	# endif /* defined(OPENSSL_SYS_VMS) [else] */
	200
	201	i = ioctlsocket(fd, type, ARG);
	202	# endif /* __DJGPP__ */
	203	if (i < 0)
	204	SYSerr(SYS_F_IOCTLSOCKET, get_last_socket_error());
	205	return (i);
	206	}
0f113f3e	207
d33b215b	208	# if OPENSSL_API_COMPAT < 0x10100000L
6b691a5c	209	int BIO_get_accept_socket(char *host, int bind_mode)
0f113f3e	210	{
5bca70ca RL	211	int s = INVALID_SOCKET;
	212	char h = NULL, p = NULL;
	213	BIO_ADDRINFO *res = NULL;
0f113f3e	214
5bca70ca RL	215	if (!BIO_parse_hostserv(host, &h, &p, BIO_PARSE_PRIO_SERV))
5bca70ca RL	216	return INVALID_SOCKET;
0f113f3e	217
5bca70ca RL	218	if (BIO_sock_init() != 1)
5bca70ca RL	219	return INVALID_SOCKET;
0f113f3e	220
5bca70ca	221	if (BIO_lookup(h, p, BIO_LOOKUP_SERVER, AF_UNSPEC, SOCK_STREAM, &res) != 0)
0f113f3e MC	222	goto err;
0f113f3e MC	223
5bca70ca RL	224	if ((s = BIO_socket(BIO_ADDRINFO_family(res), BIO_ADDRINFO_socktype(res),
	225	BIO_ADDRINFO_protocol(res), 0)) == INVALID_SOCKET) {
	226	s = INVALID_SOCKET;
0f113f3e MC	227	goto err;
0f113f3e MC	228	}
0f113f3e	229
5bca70ca RL	230	if (!BIO_listen(s, BIO_ADDRINFO_address(res),
	231	bind_mode ? BIO_SOCK_REUSEADDR : 0)) {
	232	BIO_closesocket(s);
	233	s = INVALID_SOCKET;
0f113f3e	234	}
5bca70ca	235
0f113f3e	236	err:
5bca70ca RL	237	BIO_ADDRINFO_free(res);
	238	OPENSSL_free(h);
	239	OPENSSL_free(p);
	240
	241	return s;
0f113f3e	242	}
d02b48c6	243
5bca70ca	244	int BIO_accept(int sock, char **ip_port)
0f113f3e	245	{
d9d8e7a9	246	BIO_ADDR res;
5bca70ca	247	int ret = -1;
0f113f3e	248
d9d8e7a9	249	ret = BIO_accept_ex(sock, &res, 0);
b13fdc48	250	if (ret == (int)INVALID_SOCKET) {
5bca70ca RL	251	if (BIO_sock_should_retry(ret)) {
	252	ret = -2;
	253	goto end;
	254	}
0f113f3e MC	255	SYSerr(SYS_F_ACCEPT, get_last_socket_error());
	256	BIOerr(BIO_F_BIO_ACCEPT, BIO_R_ACCEPT_ERROR);
	257	goto end;
	258	}
	259
5bca70ca	260	if (ip_port != NULL) {
d9d8e7a9 RS	261	char *host = BIO_ADDR_hostname_string(&res, 1);
d9d8e7a9 RS	262	char *port = BIO_ADDR_service_string(&res, 1);
ad9a0562 MC	263	if (host != NULL && port != NULL)
	264	*ip_port = OPENSSL_zalloc(strlen(host) + strlen(port) + 2);
	265	else
	266	*ip_port = NULL;
	267
	268	if (*ip_port == NULL) {
	269	BIOerr(BIO_F_BIO_ACCEPT, ERR_R_MALLOC_FAILURE);
	270	BIO_closesocket(ret);
	271	ret = (int)INVALID_SOCKET;
	272	} else {
	273	strcpy(*ip_port, host);
	274	strcat(*ip_port, ":");
	275	strcat(*ip_port, port);
	276	}
5bca70ca RL	277	OPENSSL_free(host);
5bca70ca RL	278	OPENSSL_free(port);
0f113f3e	279	}
5bca70ca	280
0f113f3e	281	end:
5bca70ca	282	return ret;
0f113f3e	283	}
d33b215b	284	# endif
d02b48c6	285
6b691a5c	286	int BIO_set_tcp_ndelay(int s, int on)
0f113f3e MC	287	{
	288	int ret = 0;
	289	# if defined(TCP_NODELAY) && (defined(IPPROTO_TCP) \|\| defined(SOL_TCP))
	290	int opt;
d02b48c6	291
0f113f3e MC	292	# ifdef SOL_TCP
	293	opt = SOL_TCP;
	294	# else
	295	# ifdef IPPROTO_TCP
	296	opt = IPPROTO_TCP;
	297	# endif
	298	# endif
dfeab068	299
0f113f3e MC	300	ret = setsockopt(s, opt, TCP_NODELAY, (char *)&on, sizeof(on));
	301	# endif
	302	return (ret == 0);
	303	}
	304
	305	int BIO_socket_nbio(int s, int mode)
	306	{
	307	int ret = -1;
	308	int l;
	309
	310	l = mode;
	311	# ifdef FIONBIO
27f172d9 RS	312	l = mode;
27f172d9 RS	313
0f113f3e	314	ret = BIO_socket_ioctl(s, FIONBIO, &l);
27f172d9 RS	315	# elif defined(F_GETFL) && defined(F_SETFL) && (defined(O_NONBLOCK) \|\| defined(FNDELAY))
	316	/* make sure this call always pushes an error level; BIO_socket_ioctl() does so, so we do too. */
	317
	318	l = fcntl(s, F_GETFL, 0);
	319	if (l == -1) {
	320	SYSerr(SYS_F_FCNTL, get_last_rtl_error());
	321	ret = -1;
	322	} else {
	323	# if defined(O_NONBLOCK)
	324	l &= ~O_NONBLOCK;
	325	# else
	326	l &= ~FNDELAY; /* BSD4.x */
	327	# endif
	328	if (mode) {
	329	# if defined(O_NONBLOCK)
	330	l \|= O_NONBLOCK;
	331	# else
	332	l \|= FNDELAY; /* BSD4.x */
	333	# endif
	334	}
	335	ret = fcntl(s, F_SETFL, l);
	336
	337	if (ret < 0) {
	338	SYSerr(SYS_F_FCNTL, get_last_rtl_error());
	339	}
	340	}
	341	# else
	342	/* make sure this call always pushes an error level; BIO_socket_ioctl() does so, so we do too. */
	343	BIOerr(BIO_F_BIO_SOCKET_NBIO, ERR_R_PASSED_INVALID_ARGUMENT);
0f113f3e	344	# endif
27f172d9	345
0f113f3e MC	346	return (ret == 0);
0f113f3e MC	347	}
d33b215b RL	348
	349	int BIO_sock_info(int sock,
	350	enum BIO_sock_info_type type, union BIO_sock_info_u *info)
	351	{
	352	switch (type) {
	353	case BIO_SOCK_INFO_ADDRESS:
	354	{
	355	socklen_t addr_len;
	356	int ret = 0;
	357	addr_len = sizeof(*info->addr);
	358	ret = getsockname(sock, BIO_ADDR_sockaddr_noconst(info->addr),
	359	&addr_len);
	360	if (ret == -1) {
	361	SYSerr(SYS_F_GETSOCKNAME, get_last_socket_error());
	362	BIOerr(BIO_F_BIO_SOCK_INFO, BIO_R_GETSOCKNAME_ERROR);
	363	return 0;
	364	}
59d9bb59	365	if ((size_t)addr_len > sizeof(*info->addr)) {
d33b215b RL	366	BIOerr(BIO_F_BIO_SOCK_INFO, BIO_R_GETSOCKNAME_TRUNCATED_ADDRESS);
	367	return 0;
	368	}
	369	}
	370	break;
	371	default:
	372	BIOerr(BIO_F_BIO_SOCK_INFO, BIO_R_UNKNOWN_INFO_TYPE);
	373	return 0;
	374	}
	375	return 1;
	376	}
	377
4a1fbd13	378	#endif