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authorcvs2svn <admin@example.com>2000-04-30 04:58:23 +0000
committercvs2svn <admin@example.com>2000-04-30 04:58:23 +0000
commit9cc1eacd8366faaa248a9aca9120fb7427c2a58e (patch)
tree9304b7a65ac1d9eeb42cdd518d69fd21eb2b47af /src/lib/libcrypto/bio/bss_sock.c
parente71289f71fad3f153975fd8fbf1f0f35dbda7f28 (diff)
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Diffstat (limited to 'src/lib/libcrypto/bio/bss_sock.c')
-rw-r--r--src/lib/libcrypto/bio/bss_sock.c424
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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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--- a/src/lib/libcrypto/bio/bss_sock.c
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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#if !defined(NO_SOCK) || defined(BIO_FD)
60
61#include <stdio.h>
62#include <errno.h>
63#define USE_SOCKETS
64#include "cryptlib.h"
65#include <openssl/bio.h>
66
67#ifndef BIO_FD
68static int sock_write(BIO *h,char *buf,int num);
69static int sock_read(BIO *h,char *buf,int size);
70static int sock_puts(BIO *h,char *str);
71static long sock_ctrl(BIO *h,int cmd,long arg1,char *arg2);
72static int sock_new(BIO *h);
73static int sock_free(BIO *data);
74int BIO_sock_should_retry(int s);
75#else
76
77static int fd_write(BIO *h,char *buf,int num);
78static int fd_read(BIO *h,char *buf,int size);
79static int fd_puts(BIO *h,char *str);
80static long fd_ctrl(BIO *h,int cmd,long arg1,char *arg2);
81static int fd_new(BIO *h);
82static int fd_free(BIO *data);
83int BIO_fd_should_retry(int s);
84#endif
85
86#ifndef BIO_FD
87static BIO_METHOD methods_sockp=
88 {
89 BIO_TYPE_SOCKET,
90 "socket",
91 sock_write,
92 sock_read,
93 sock_puts,
94 NULL, /* sock_gets, */
95 sock_ctrl,
96 sock_new,
97 sock_free,
98 NULL,
99 };
100
101BIO_METHOD *BIO_s_socket(void)
102 {
103 return(&methods_sockp);
104 }
105#else
106static BIO_METHOD methods_fdp=
107 {
108 BIO_TYPE_FD,"file descriptor",
109 fd_write,
110 fd_read,
111 fd_puts,
112 NULL, /* fd_gets, */
113 fd_ctrl,
114 fd_new,
115 fd_free,
116 NULL,
117 };
118
119BIO_METHOD *BIO_s_fd(void)
120 {
121 return(&methods_fdp);
122 }
123#endif
124
125#ifndef BIO_FD
126BIO *BIO_new_socket(int fd, int close_flag)
127#else
128BIO *BIO_new_fd(int fd,int close_flag)
129#endif
130 {
131 BIO *ret;
132
133#ifndef BIO_FD
134 ret=BIO_new(BIO_s_socket());
135#else
136 ret=BIO_new(BIO_s_fd());
137#endif
138 if (ret == NULL) return(NULL);
139 BIO_set_fd(ret,fd,close_flag);
140 return(ret);
141 }
142
143#ifndef BIO_FD
144static int sock_new(BIO *bi)
145#else
146static int fd_new(BIO *bi)
147#endif
148 {
149 bi->init=0;
150 bi->num=0;
151 bi->ptr=NULL;
152 bi->flags=0;
153 return(1);
154 }
155
156#ifndef BIO_FD
157static int sock_free(BIO *a)
158#else
159static int fd_free(BIO *a)
160#endif
161 {
162 if (a == NULL) return(0);
163 if (a->shutdown)
164 {
165 if (a->init)
166 {
167#ifndef BIO_FD
168 SHUTDOWN2(a->num);
169#else /* BIO_FD */
170 close(a->num);
171#endif
172
173 }
174 a->init=0;
175 a->flags=0;
176 }
177 return(1);
178 }
179
180#ifndef BIO_FD
181static int sock_read(BIO *b, char *out, int outl)
182#else
183static int fd_read(BIO *b, char *out,int outl)
184#endif
185 {
186 int ret=0;
187
188 if (out != NULL)
189 {
190#ifndef BIO_FD
191 clear_socket_error();
192 ret=readsocket(b->num,out,outl);
193#else
194 clear_sys_error();
195 ret=read(b->num,out,outl);
196#endif
197 BIO_clear_retry_flags(b);
198 if (ret <= 0)
199 {
200#ifndef BIO_FD
201 if (BIO_sock_should_retry(ret))
202#else
203 if (BIO_fd_should_retry(ret))
204#endif
205 BIO_set_retry_read(b);
206 }
207 }
208 return(ret);
209 }
210
211#ifndef BIO_FD
212static int sock_write(BIO *b, char *in, int inl)
213#else
214static int fd_write(BIO *b, char *in, int inl)
215#endif
216 {
217 int ret;
218
219#ifndef BIO_FD
220 clear_socket_error();
221 ret=writesocket(b->num,in,inl);
222#else
223 clear_sys_error();
224 ret=write(b->num,in,inl);
225#endif
226 BIO_clear_retry_flags(b);
227 if (ret <= 0)
228 {
229#ifndef BIO_FD
230 if (BIO_sock_should_retry(ret))
231#else
232 if (BIO_fd_should_retry(ret))
233#endif
234 BIO_set_retry_write(b);
235 }
236 return(ret);
237 }
238
239#ifndef BIO_FD
240static long sock_ctrl(BIO *b, int cmd, long num, char *ptr)
241#else
242static long fd_ctrl(BIO *b, int cmd, long num, char *ptr)
243#endif
244 {
245 long ret=1;
246 int *ip;
247
248 switch (cmd)
249 {
250 case BIO_CTRL_RESET:
251 num=0;
252 case BIO_C_FILE_SEEK:
253#ifdef BIO_FD
254 ret=(long)lseek(b->num,num,0);
255#else
256 ret=0;
257#endif
258 break;
259 case BIO_C_FILE_TELL:
260 case BIO_CTRL_INFO:
261#ifdef BIO_FD
262 ret=(long)lseek(b->num,0,1);
263#else
264 ret=0;
265#endif
266 break;
267 case BIO_C_SET_FD:
268#ifndef BIO_FD
269 sock_free(b);
270#else
271 fd_free(b);
272#endif
273 b->num= *((int *)ptr);
274 b->shutdown=(int)num;
275 b->init=1;
276 break;
277 case BIO_C_GET_FD:
278 if (b->init)
279 {
280 ip=(int *)ptr;
281 if (ip != NULL) *ip=b->num;
282 ret=b->num;
283 }
284 else
285 ret= -1;
286 break;
287 case BIO_CTRL_GET_CLOSE:
288 ret=b->shutdown;
289 break;
290 case BIO_CTRL_SET_CLOSE:
291 b->shutdown=(int)num;
292 break;
293 case BIO_CTRL_PENDING:
294 case BIO_CTRL_WPENDING:
295 ret=0;
296 break;
297 case BIO_CTRL_DUP:
298 case BIO_CTRL_FLUSH:
299 ret=1;
300 break;
301 default:
302 ret=0;
303 break;
304 }
305 return(ret);
306 }
307
308#ifdef undef
309static int sock_gets(BIO *bp, char *buf,int size)
310 {
311 return(-1);
312 }
313#endif
314
315#ifndef BIO_FD
316static int sock_puts(BIO *bp, char *str)
317#else
318static int fd_puts(BIO *bp, char *str)
319#endif
320 {
321 int n,ret;
322
323 n=strlen(str);
324#ifndef BIO_FD
325 ret=sock_write(bp,str,n);
326#else
327 ret=fd_write(bp,str,n);
328#endif
329 return(ret);
330 }
331
332#ifndef BIO_FD
333int BIO_sock_should_retry(int i)
334#else
335int BIO_fd_should_retry(int i)
336#endif
337 {
338 int err;
339
340 if ((i == 0) || (i == -1))
341 {
342#ifndef BIO_FD
343 err=get_last_socket_error();
344#else
345 err=get_last_sys_error();
346#endif
347
348#if defined(WINDOWS) && 0 /* more microsoft stupidity? perhaps not? Ben 4/1/99 */
349 if ((i == -1) && (err == 0))
350 return(1);
351#endif
352
353#ifndef BIO_FD
354 return(BIO_sock_non_fatal_error(err));
355#else
356 return(BIO_fd_non_fatal_error(err));
357#endif
358 }
359 return(0);
360 }
361
362#ifndef BIO_FD
363int BIO_sock_non_fatal_error(int err)
364#else
365int BIO_fd_non_fatal_error(int err)
366#endif
367 {
368 switch (err)
369 {
370#if !defined(BIO_FD) && defined(WINDOWS)
371# if defined(WSAEWOULDBLOCK)
372 case WSAEWOULDBLOCK:
373# endif
374
375# if 0 /* This appears to always be an error */
376# if defined(WSAENOTCONN)
377 case WSAENOTCONN:
378# endif
379# endif
380#endif
381
382#ifdef EWOULDBLOCK
383# ifdef WSAEWOULDBLOCK
384# if WSAEWOULDBLOCK != EWOULDBLOCK
385 case EWOULDBLOCK:
386# endif
387# else
388 case EWOULDBLOCK:
389# endif
390#endif
391
392#if defined(ENOTCONN)
393 case ENOTCONN:
394#endif
395
396#ifdef EINTR
397 case EINTR:
398#endif
399
400#ifdef EAGAIN
401#if EWOULDBLOCK != EAGAIN
402 case EAGAIN:
403# endif
404#endif
405
406#ifdef EPROTO
407 case EPROTO:
408#endif
409
410#ifdef EINPROGRESS
411 case EINPROGRESS:
412#endif
413
414#ifdef EALREADY
415 case EALREADY:
416#endif
417 return(1);
418 /* break; */
419 default:
420 break;
421 }
422 return(0);
423 }
424#endif
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