Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/crypto/../../libssl/src/crypto/bio/bss_conn.c	Lines:	0	256	0.0 %
Date:	2016-12-06	Branches:	0	145	0.0 %


/* $OpenBSD: bss_conn.c,v 1.32 2014/11/26 05:37:26 bcook Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * 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.]
 */

#include <sys/socket.h>

#include <netinet/in.h>

#include <errno.h>
#include <netdb.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>

#include <openssl/bio.h>
#include <openssl/buffer.h>
#include <openssl/err.h>

#define SOCKET_PROTOCOL IPPROTO_TCP

typedef struct bio_connect_st {
	int state;

	char *param_hostname;
	char *param_port;
	int nbio;

	unsigned char ip[4];
	unsigned short port;

	struct sockaddr_in them;

	/* 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 */
	int (*info_callback)(const BIO *bio, int state, int ret);
} 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 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 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 = {
	.type = BIO_TYPE_CONNECT,
	.name = "socket connect",
	.bwrite = conn_write,
	.bread = conn_read,
	.bputs = conn_puts,
	.ctrl = conn_ctrl,
	.create = conn_new,
	.destroy = conn_free,
	.callback_ctrl = conn_callback_ctrl
};

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;
						}
					free(c->param_port);
					c->param_port = strdup(p);
				}
			}

			if (c->param_port == NULL) {
				BIOerr(BIO_F_CONN_STATE, BIO_R_NO_PORT_SPECIFIED);
				ERR_asprintf_error_data("host=%s",
				    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 == -1) {
				SYSerr(SYS_F_SOCKET, errno);
				ERR_asprintf_error_data("host=%s:%s",
				    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_asprintf_error_data("host=%s:%s",
					    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, &i, sizeof(i));
			if (i < 0) {
				SYSerr(SYS_F_SOCKET, errno);
				ERR_asprintf_error_data("host=%s:%s",
				    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));
			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, errno);
					ERR_asprintf_error_data("host=%s:%s",
					    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_asprintf_error_data("host=%s:%s",
				    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 = 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;

	free(a->param_hostname);
	free(a->param_port);
	free(a);
}

BIO_METHOD *
BIO_s_connect(void)
{
	return (&methods_connectp);
}

static int
conn_new(BIO *bi)
{
	bi->init = 0;
	bi->num = -1;
	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 != -1) {
		/* Only do a shutdown if things were established */
		if (c->state == BIO_CONN_S_OK)
			shutdown(bio->num, SHUT_RDWR);
		close(bio->num);
		bio->num = -1;
	}
}

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);
}

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) {
		errno = 0;
		ret = read(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);
}

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);
	}

	errno = 0;
	ret = write(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) {
				free(data->param_hostname);
				data->param_hostname = strdup(ptr);
			} else if (num == 1) {
				free(data->param_port);
				data->param_port = strdup(ptr);
			} else if (num == 2) {
				unsigned char *p = ptr;
				free(data->param_hostname);
				if (asprintf(&data->param_hostname,
					"%u.%u.%u.%u", p[0], p[1],
					p[2], p[3]) == -1)
					data->param_hostname = NULL;
				memcpy(&(data->ip[0]), ptr, 4);
			} else if (num == 3) {
				free(data->param_port);
				data->port= *(int *)ptr;
				if (asprintf(&data->param_port, "%d",
					data->port) == -1)
					data->param_port = NULL;
			}
		}
		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;
#endif
		}
		break;
	case BIO_CTRL_GET_CALLBACK:
		{
			int (**fptr)(const BIO *bio, int state, int xret);

			fptr = (int (**)(const BIO *bio, int state, int xret))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);
}

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);
	}
}



Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: bss_conn.c,v 1.32 2014/11/26 05:37:26 bcook Exp $ */
2			/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3			* All rights reserved.
4			*
5			* This package is an SSL implementation written
6			* by Eric Young (eay@cryptsoft.com).
7			* The implementation was written so as to conform with Netscapes SSL.
8			*
9			* This library is free for commercial and non-commercial use as long as
10			* the following conditions are aheared to. The following conditions
11			* apply to all code found in this distribution, be it the RC4, RSA,
12			* lhash, DES, etc., code; not just the SSL code. The SSL documentation
13			* included with this distribution is covered by the same copyright terms
14			* except that the holder is Tim Hudson (tjh@cryptsoft.com).
15			*
16			* Copyright remains Eric Young's, and as such any Copyright notices in
17			* the code are not to be removed.
18			* If this package is used in a product, Eric Young should be given attribution
19			* as the author of the parts of the library used.
20			* This can be in the form of a textual message at program startup or
21			* in documentation (online or textual) provided with the package.
22			*
23			* Redistribution and use in source and binary forms, with or without
24			* modification, are permitted provided that the following conditions
25			* are met:
26			* 1. Redistributions of source code must retain the copyright
27			* notice, this list of conditions and the following disclaimer.
28			* 2. Redistributions in binary form must reproduce the above copyright
29			* notice, this list of conditions and the following disclaimer in the
30			* documentation and/or other materials provided with the distribution.
31			* 3. All advertising materials mentioning features or use of this software
32			* must display the following acknowledgement:
33			* "This product includes cryptographic software written by
34			* Eric Young (eay@cryptsoft.com)"
35			* The word 'cryptographic' can be left out if the rouines from the library
36			* being used are not cryptographic related :-).
37			* 4. If you include any Windows specific code (or a derivative thereof) from
38			* the apps directory (application code) you must include an acknowledgement:
39			* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40			*
41			* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51			* SUCH DAMAGE.
52			*
53			* The licence and distribution terms for any publically available version or
54			* derivative of this code cannot be changed. i.e. this code cannot simply be
55			* copied and put under another distribution licence
56			* [including the GNU Public Licence.]
57			*/
58
59			#include <sys/socket.h>
60
61			#include <netinet/in.h>
62
63			#include <errno.h>
64			#include <netdb.h>
65			#include <stdio.h>
66			#include <string.h>
67			#include <unistd.h>
68
69			#include <openssl/bio.h>
70			#include <openssl/buffer.h>
71			#include <openssl/err.h>
72
73			#define SOCKET_PROTOCOL IPPROTO_TCP
74
75			typedef struct bio_connect_st {
76			int state;
77
78			char *param_hostname;
79			char *param_port;
80			int nbio;
81
82			unsigned char ip[4];
83			unsigned short port;
84
85			struct sockaddr_in them;
86
87			/* int socket; this will be kept in bio->num so that it is
88			* compatible with the bss_sock bio */
89
90			/* called when the connection is initially made
91			* callback(BIO,state,ret); The callback should return
92			* 'ret'. state is for compatibility with the ssl info_callback */
93			int (info_callback)(const BIO bio, int state, int ret);
94			} BIO_CONNECT;
95
96			static int conn_write(BIO h, const char buf, int num);
97			static int conn_read(BIO h, char buf, int size);
98			static int conn_puts(BIO h, const char str);
99			static long conn_ctrl(BIO h, int cmd, long arg1, void arg2);
100			static int conn_new(BIO *h);
101			static int conn_free(BIO *data);
102			static long conn_callback_ctrl(BIO h, int cmd, bio_info_cb );
103
104			static int conn_state(BIO b, BIO_CONNECT c);
105			static void conn_close_socket(BIO *data);
106			BIO_CONNECT *BIO_CONNECT_new(void);
107			void BIO_CONNECT_free(BIO_CONNECT *a);
108
109			static BIO_METHOD methods_connectp = {
110			.type = BIO_TYPE_CONNECT,
111			.name = "socket connect",
112			.bwrite = conn_write,
113			.bread = conn_read,
114			.bputs = conn_puts,
115			.ctrl = conn_ctrl,
116			.create = conn_new,
117			.destroy = conn_free,
118			.callback_ctrl = conn_callback_ctrl
119			};
120
121			static int
122			conn_state(BIO b, BIO_CONNECT c)
123			{
124			int ret = -1, i;
125			unsigned long l;
126			char p, q;
127			int (cb)(const BIO , int, int) = NULL;
128
129			if (c->info_callback != NULL)
130			cb = c->info_callback;
131
132			for (;;) {
133			switch (c->state) {
134			case BIO_CONN_S_BEFORE:
135			p = c->param_hostname;
136			if (p == NULL) {
137			BIOerr(BIO_F_CONN_STATE, BIO_R_NO_HOSTNAME_SPECIFIED);
138			goto exit_loop;
139			}
140			for (; *p != '\0'; p++) {
141			if ((p == ':') \|\| (p == '/'))
142			break;
143			}
144
145			i= *p;
146			if ((i == ':') \|\| (i == '/')) {
147			*(p++) = '\0';
148			if (i == ':') {
149			for (q = p; *q; q++)
150			if (*q == '/') {
151			*q = '\0';
152			break;
153			}
154			free(c->param_port);
155			c->param_port = strdup(p);
156			}
157			}
158
159			if (c->param_port == NULL) {
160			BIOerr(BIO_F_CONN_STATE, BIO_R_NO_PORT_SPECIFIED);
161			ERR_asprintf_error_data("host=%s",
162			c->param_hostname);
163			goto exit_loop;
164			}
165			c->state = BIO_CONN_S_GET_IP;
166			break;
167
168			case BIO_CONN_S_GET_IP:
169			if (BIO_get_host_ip(c->param_hostname, &(c->ip[0])) <= 0)
170			goto exit_loop;
171			c->state = BIO_CONN_S_GET_PORT;
172			break;
173
174			case BIO_CONN_S_GET_PORT:
175			if (c->param_port == NULL) {
176			/* abort(); */
177			goto exit_loop;
178			} else if (BIO_get_port(c->param_port, &c->port) <= 0)
179			goto exit_loop;
180			c->state = BIO_CONN_S_CREATE_SOCKET;
181			break;
182
183			case BIO_CONN_S_CREATE_SOCKET:
184			/* now setup address */
185			memset((char *)&c->them, 0, sizeof(c->them));
186			c->them.sin_family = AF_INET;
187			c->them.sin_port = htons((unsigned short)c->port);
188			l = (unsigned long)
189			((unsigned long)c->ip[0] << 24L)\|
190			((unsigned long)c->ip[1] << 16L)\|
191			((unsigned long)c->ip[2] << 8L)\|
192			((unsigned long)c->ip[3]);
193			c->them.sin_addr.s_addr = htonl(l);
194			c->state = BIO_CONN_S_CREATE_SOCKET;
195
196			ret = socket(AF_INET, SOCK_STREAM, SOCKET_PROTOCOL);
197			if (ret == -1) {
198			SYSerr(SYS_F_SOCKET, errno);
199			ERR_asprintf_error_data("host=%s:%s",
200			c->param_hostname, c->param_port);
201			BIOerr(BIO_F_CONN_STATE,
202			BIO_R_UNABLE_TO_CREATE_SOCKET);
203			goto exit_loop;
204			}
205			b->num = ret;
206			c->state = BIO_CONN_S_NBIO;
207			break;
208
209			case BIO_CONN_S_NBIO:
210			if (c->nbio) {
211			if (!BIO_socket_nbio(b->num, 1)) {
212			BIOerr(BIO_F_CONN_STATE,
213			BIO_R_ERROR_SETTING_NBIO);
214			ERR_asprintf_error_data("host=%s:%s",
215			c->param_hostname, c->param_port);
216			goto exit_loop;
217			}
218			}
219			c->state = BIO_CONN_S_CONNECT;
220
221			#if defined(SO_KEEPALIVE)
222			i = 1;
223			i = setsockopt(b->num, SOL_SOCKET, SO_KEEPALIVE, &i, sizeof(i));
224			if (i < 0) {
225			SYSerr(SYS_F_SOCKET, errno);
226			ERR_asprintf_error_data("host=%s:%s",
227			c->param_hostname, c->param_port);
228			BIOerr(BIO_F_CONN_STATE, BIO_R_KEEPALIVE);
229			goto exit_loop;
230			}
231			#endif
232			break;
233
234			case BIO_CONN_S_CONNECT:
235			BIO_clear_retry_flags(b);
236			ret = connect(b->num,
237			(struct sockaddr *)&c->them,
238			sizeof(c->them));
239			b->retry_reason = 0;
240			if (ret < 0) {
241			if (BIO_sock_should_retry(ret)) {
242			BIO_set_retry_special(b);
243			c->state = BIO_CONN_S_BLOCKED_CONNECT;
244			b->retry_reason = BIO_RR_CONNECT;
245			} else {
246			SYSerr(SYS_F_CONNECT, errno);
247			ERR_asprintf_error_data("host=%s:%s",
248			c->param_hostname, c->param_port);
249			BIOerr(BIO_F_CONN_STATE,
250			BIO_R_CONNECT_ERROR);
251			}
252			goto exit_loop;
253			} else
254			c->state = BIO_CONN_S_OK;
255			break;
256
257			case BIO_CONN_S_BLOCKED_CONNECT:
258			i = BIO_sock_error(b->num);
259			if (i) {
260			BIO_clear_retry_flags(b);
261			SYSerr(SYS_F_CONNECT, i);
262			ERR_asprintf_error_data("host=%s:%s",
263			c->param_hostname, c->param_port);
264			BIOerr(BIO_F_CONN_STATE,
265			BIO_R_NBIO_CONNECT_ERROR);
266			ret = 0;
267			goto exit_loop;
268			} else
269			c->state = BIO_CONN_S_OK;
270			break;
271
272			case BIO_CONN_S_OK:
273			ret = 1;
274			goto exit_loop;
275			default:
276			/* abort(); */
277			goto exit_loop;
278			}
279
280			if (cb != NULL) {
281			if (!(ret = cb((BIO *)b, c->state, ret)))
282			goto end;
283			}
284			}
285
286			/* Loop does not exit */
287			exit_loop:
288			if (cb != NULL)
289			ret = cb((BIO *)b, c->state, ret);
290			end:
291			return (ret);
292			}
293
294			BIO_CONNECT *
295			BIO_CONNECT_new(void)
296			{
297			BIO_CONNECT *ret;
298
299			if ((ret = malloc(sizeof(BIO_CONNECT))) == NULL)
300			return (NULL);
301			ret->state = BIO_CONN_S_BEFORE;
302			ret->param_hostname = NULL;
303			ret->param_port = NULL;
304			ret->info_callback = NULL;
305			ret->nbio = 0;
306			ret->ip[0] = 0;
307			ret->ip[1] = 0;
308			ret->ip[2] = 0;
309			ret->ip[3] = 0;
310			ret->port = 0;
311			memset((char *)&ret->them, 0, sizeof(ret->them));
312			return (ret);
313			}
314
315			void
316			BIO_CONNECT_free(BIO_CONNECT *a)
317			{
318			if (a == NULL)
319			return;
320
321			free(a->param_hostname);
322			free(a->param_port);
323			free(a);
324			}
325
326			BIO_METHOD *
327			BIO_s_connect(void)
328			{
329			return (&methods_connectp);
330			}
331
332			static int
333			conn_new(BIO *bi)
334			{
335			bi->init = 0;
336			bi->num = -1;
337			bi->flags = 0;
338			if ((bi->ptr = (char *)BIO_CONNECT_new()) == NULL)
339			return (0);
340			else
341			return (1);
342			}
343
344			static void
345			conn_close_socket(BIO *bio)
346			{
347			BIO_CONNECT *c;
348
349			c = (BIO_CONNECT *)bio->ptr;
350			if (bio->num != -1) {
351			/* Only do a shutdown if things were established */
352			if (c->state == BIO_CONN_S_OK)
353			shutdown(bio->num, SHUT_RDWR);
354			close(bio->num);
355			bio->num = -1;
356			}
357			}
358
359			static int
360			conn_free(BIO *a)
361			{
362			BIO_CONNECT *data;
363
364			if (a == NULL)
365			return (0);
366			data = (BIO_CONNECT *)a->ptr;
367
368			if (a->shutdown) {
369			conn_close_socket(a);
370			BIO_CONNECT_free(data);
371			a->ptr = NULL;
372			a->flags = 0;
373			a->init = 0;
374			}
375			return (1);
376			}
377
378			static int
379			conn_read(BIO b, char out, int outl)
380			{
381			int ret = 0;
382			BIO_CONNECT *data;
383
384			data = (BIO_CONNECT *)b->ptr;
385			if (data->state != BIO_CONN_S_OK) {
386			ret = conn_state(b, data);
387			if (ret <= 0)
388			return (ret);
389			}
390
391			if (out != NULL) {
392			errno = 0;
393			ret = read(b->num, out, outl);
394			BIO_clear_retry_flags(b);
395			if (ret <= 0) {
396			if (BIO_sock_should_retry(ret))
397			BIO_set_retry_read(b);
398			}
399			}
400			return (ret);
401			}
402
403			static int
404			conn_write(BIO b, const char in, int inl)
405			{
406			int ret;
407			BIO_CONNECT *data;
408
409			data = (BIO_CONNECT *)b->ptr;
410			if (data->state != BIO_CONN_S_OK) {
411			ret = conn_state(b, data);
412			if (ret <= 0)
413			return (ret);
414			}
415
416			errno = 0;
417			ret = write(b->num, in, inl);
418			BIO_clear_retry_flags(b);
419			if (ret <= 0) {
420			if (BIO_sock_should_retry(ret))
421			BIO_set_retry_write(b);
422			}
423			return (ret);
424			}
425
426			static long
427			conn_ctrl(BIO b, int cmd, long num, void ptr)
428			{
429			BIO *dbio;
430			int *ip;
431			const char **pptr;
432			long ret = 1;
433			BIO_CONNECT *data;
434
435			data = (BIO_CONNECT *)b->ptr;
436
437			switch (cmd) {
438			case BIO_CTRL_RESET:
439			ret = 0;
440			data->state = BIO_CONN_S_BEFORE;
441			conn_close_socket(b);
442			b->flags = 0;
443			break;
444			case BIO_C_DO_STATE_MACHINE:
445			/* use this one to start the connection */
446			if (data->state != BIO_CONN_S_OK)
447			ret = (long)conn_state(b, data);
448			else
449			ret = 1;
450			break;
451			case BIO_C_GET_CONNECT:
452			if (ptr != NULL) {
453			pptr = (const char **)ptr;
454			if (num == 0) {
455			*pptr = data->param_hostname;
456
457			} else if (num == 1) {
458			*pptr = data->param_port;
459			} else if (num == 2) {
460			pptr = (char )&(data->ip[0]);
461			} else if (num == 3) {
462			((int )ptr) = data->port;
463			}
464			if ((!b->init) \|\| (ptr == NULL))
465			*pptr = "not initialized";
466			ret = 1;
467			}
468			break;
469			case BIO_C_SET_CONNECT:
470			if (ptr != NULL) {
471			b->init = 1;
472			if (num == 0) {
473			free(data->param_hostname);
474			data->param_hostname = strdup(ptr);
475			} else if (num == 1) {
476			free(data->param_port);
477			data->param_port = strdup(ptr);
478			} else if (num == 2) {
479			unsigned char *p = ptr;
480			free(data->param_hostname);
481			if (asprintf(&data->param_hostname,
482			"%u.%u.%u.%u", p[0], p[1],
483			p[2], p[3]) == -1)
484			data->param_hostname = NULL;
485			memcpy(&(data->ip[0]), ptr, 4);
486			} else if (num == 3) {
487			free(data->param_port);
488			data->port= (int )ptr;
489			if (asprintf(&data->param_port, "%d",
490			data->port) == -1)
491			data->param_port = NULL;
492			}
493			}
494			break;
495			case BIO_C_SET_NBIO:
496			data->nbio = (int)num;
497			break;
498			case BIO_C_GET_FD:
499			if (b->init) {
500			ip = (int *)ptr;
501			if (ip != NULL)
502			*ip = b->num;
503			ret = b->num;
504			} else
505			ret = -1;
506			break;
507			case BIO_CTRL_GET_CLOSE:
508			ret = b->shutdown;
509			break;
510			case BIO_CTRL_SET_CLOSE:
511			b->shutdown = (int)num;
512			break;
513			case BIO_CTRL_PENDING:
514			case BIO_CTRL_WPENDING:
515			ret = 0;
516			break;
517			case BIO_CTRL_FLUSH:
518			break;
519			case BIO_CTRL_DUP:
520			{
521			dbio = (BIO *)ptr;
522			if (data->param_port)
523			BIO_set_conn_port(dbio, data->param_port);
524			if (data->param_hostname)
525			BIO_set_conn_hostname(dbio,
526			data->param_hostname);
527			BIO_set_nbio(dbio, data->nbio);
528			/* FIXME: the cast of the function seems unlikely to be a good idea */
529			(void)BIO_set_info_callback(dbio,
530			(bio_info_cb *)data->info_callback);
531			}
532			break;
533			case BIO_CTRL_SET_CALLBACK:
534			{
535			#if 0 /* FIXME: Should this be used? -- Richard Levitte */
536			BIOerr(BIO_F_CONN_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
537			ret = -1;
538			#else
539			ret = 0;
540			#endif
541			}
542			break;
543			case BIO_CTRL_GET_CALLBACK:
544			{
545			int (*fptr)(const BIO bio, int state, int xret);
546
547			fptr = (int (*)(const BIO bio, int state, int xret))ptr;
548			*fptr = data->info_callback;
549			}
550			break;
551			default:
552			ret = 0;
553			break;
554			}
555			return (ret);
556			}
557
558			static long
559			conn_callback_ctrl(BIO b, int cmd, bio_info_cb fp)
560			{
561			long ret = 1;
562			BIO_CONNECT *data;
563
564			data = (BIO_CONNECT *)b->ptr;
565
566			switch (cmd) {
567			case BIO_CTRL_SET_CALLBACK:
568			{
569			data->info_callback = (int ()(const struct bio_st , int, int))fp;
570			}
571			break;
572			default:
573			ret = 0;
574			break;
575			}
576			return (ret);
577			}
578
579			static int
580			conn_puts(BIO bp, const char str)
581			{
582			int n, ret;
583
584			n = strlen(str);
585			ret = conn_write(bp, str, n);
586			return (ret);
587			}
588
589			BIO *
590			BIO_new_connect(char *str)
591			{
592			BIO *ret;
593
594			ret = BIO_new(BIO_s_connect());
595			if (ret == NULL)
596			return (NULL);
597			if (BIO_set_conn_hostname(ret, str))
598			return (ret);
599			else {
600			BIO_free(ret);
601			return (NULL);
602			}
603			}
604