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-rw-r--r--src/lib/libcrypto/bio/bss_sock.c299
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diff --git a/src/lib/libcrypto/bio/bss_sock.c b/src/lib/libcrypto/bio/bss_sock.c
deleted file mode 100644
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1/* crypto/bio/bss_sock.c */
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#ifndef OPENSSL_NO_SOCK
60
61#include <stdio.h>
62#include <errno.h>
63#define USE_SOCKETS
64#include "cryptlib.h"
65#include <openssl/bio.h>
66
67static int sock_write(BIO *h, const char *buf, int num);
68static int sock_read(BIO *h, char *buf, int size);
69static int sock_puts(BIO *h, const char *str);
70static long sock_ctrl(BIO *h, int cmd, long arg1, void *arg2);
71static int sock_new(BIO *h);
72static int sock_free(BIO *data);
73int BIO_sock_should_retry(int s);
74
75static BIO_METHOD methods_sockp=
76 {
77 BIO_TYPE_SOCKET,
78 "socket",
79 sock_write,
80 sock_read,
81 sock_puts,
82 NULL, /* sock_gets, */
83 sock_ctrl,
84 sock_new,
85 sock_free,
86 NULL,
87 };
88
89BIO_METHOD *BIO_s_socket(void)
90 {
91 return(&methods_sockp);
92 }
93
94BIO *BIO_new_socket(int fd, int close_flag)
95 {
96 BIO *ret;
97
98 ret=BIO_new(BIO_s_socket());
99 if (ret == NULL) return(NULL);
100 BIO_set_fd(ret,fd,close_flag);
101 return(ret);
102 }
103
104static int sock_new(BIO *bi)
105 {
106 bi->init=0;
107 bi->num=0;
108 bi->ptr=NULL;
109 bi->flags=0;
110 return(1);
111 }
112
113static int sock_free(BIO *a)
114 {
115 if (a == NULL) return(0);
116 if (a->shutdown)
117 {
118 if (a->init)
119 {
120 SHUTDOWN2(a->num);
121 }
122 a->init=0;
123 a->flags=0;
124 }
125 return(1);
126 }
127
128static int sock_read(BIO *b, char *out, int outl)
129 {
130 int ret=0;
131
132 if (out != NULL)
133 {
134 clear_socket_error();
135 ret=readsocket(b->num,out,outl);
136 BIO_clear_retry_flags(b);
137 if (ret <= 0)
138 {
139 if (BIO_sock_should_retry(ret))
140 BIO_set_retry_read(b);
141 }
142 }
143 return(ret);
144 }
145
146static int sock_write(BIO *b, const char *in, int inl)
147 {
148 int ret;
149
150 clear_socket_error();
151 ret=writesocket(b->num,in,inl);
152 BIO_clear_retry_flags(b);
153 if (ret <= 0)
154 {
155 if (BIO_sock_should_retry(ret))
156 BIO_set_retry_write(b);
157 }
158 return(ret);
159 }
160
161static long sock_ctrl(BIO *b, int cmd, long num, void *ptr)
162 {
163 long ret=1;
164 int *ip;
165
166 switch (cmd)
167 {
168 case BIO_CTRL_RESET:
169 num=0;
170 case BIO_C_FILE_SEEK:
171 ret=0;
172 break;
173 case BIO_C_FILE_TELL:
174 case BIO_CTRL_INFO:
175 ret=0;
176 break;
177 case BIO_C_SET_FD:
178 sock_free(b);
179 b->num= *((int *)ptr);
180 b->shutdown=(int)num;
181 b->init=1;
182 break;
183 case BIO_C_GET_FD:
184 if (b->init)
185 {
186 ip=(int *)ptr;
187 if (ip != NULL) *ip=b->num;
188 ret=b->num;
189 }
190 else
191 ret= -1;
192 break;
193 case BIO_CTRL_GET_CLOSE:
194 ret=b->shutdown;
195 break;
196 case BIO_CTRL_SET_CLOSE:
197 b->shutdown=(int)num;
198 break;
199 case BIO_CTRL_PENDING:
200 case BIO_CTRL_WPENDING:
201 ret=0;
202 break;
203 case BIO_CTRL_DUP:
204 case BIO_CTRL_FLUSH:
205 ret=1;
206 break;
207 default:
208 ret=0;
209 break;
210 }
211 return(ret);
212 }
213
214static int sock_puts(BIO *bp, const char *str)
215 {
216 int n,ret;
217
218 n=strlen(str);
219 ret=sock_write(bp,str,n);
220 return(ret);
221 }
222
223int BIO_sock_should_retry(int i)
224 {
225 int err;
226
227 if ((i == 0) || (i == -1))
228 {
229 err=get_last_socket_error();
230
231#if defined(OPENSSL_SYS_WINDOWS) && 0 /* more microsoft stupidity? perhaps not? Ben 4/1/99 */
232 if ((i == -1) && (err == 0))
233 return(1);
234#endif
235
236 return(BIO_sock_non_fatal_error(err));
237 }
238 return(0);
239 }
240
241int BIO_sock_non_fatal_error(int err)
242 {
243 switch (err)
244 {
245#if defined(OPENSSL_SYS_WINDOWS)
246# if defined(WSAEWOULDBLOCK)
247 case WSAEWOULDBLOCK:
248# endif
249
250# if 0 /* This appears to always be an error */
251# if defined(WSAENOTCONN)
252 case WSAENOTCONN:
253# endif
254# endif
255#endif
256
257#ifdef EWOULDBLOCK
258# ifdef WSAEWOULDBLOCK
259# if WSAEWOULDBLOCK != EWOULDBLOCK
260 case EWOULDBLOCK:
261# endif
262# else
263 case EWOULDBLOCK:
264# endif
265#endif
266
267#if defined(ENOTCONN)
268 case ENOTCONN:
269#endif
270
271#ifdef EINTR
272 case EINTR:
273#endif
274
275#ifdef EAGAIN
276#if EWOULDBLOCK != EAGAIN
277 case EAGAIN:
278# endif
279#endif
280
281#ifdef EPROTO
282 case EPROTO:
283#endif
284
285#ifdef EINPROGRESS
286 case EINPROGRESS:
287#endif
288
289#ifdef EALREADY
290 case EALREADY:
291#endif
292 return(1);
293 /* break; */
294 default:
295 break;
296 }
297 return(0);
298 }
299#endif
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