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diff --git a/src/lib/libcrypto/bio/bss_acpt.c b/src/lib/libcrypto/bio/bss_acpt.c
deleted file mode 100644
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1/* crypto/bio/bss_acpt.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 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
67#ifdef WIN16
68#define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
69#else
70#define SOCKET_PROTOCOL IPPROTO_TCP
71#endif
72
73#if (defined(VMS) && __VMS_VER < 70000000)
74/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
75#undef FIONBIO
76#endif
77
78typedef struct bio_accept_st
79 {
80 int state;
81 char *param_addr;
82
83 int accept_sock;
84 int accept_nbio;
85
86 char *addr;
87 int nbio;
88 /* If 0, it means normal, if 1, do a connect on bind failure,
89 * and if there is no-one listening, bind with SO_REUSEADDR.
90 * If 2, always use SO_REUSEADDR. */
91 int bind_mode;
92 BIO *bio_chain;
93 } BIO_ACCEPT;
94
95static int acpt_write(BIO *h,char *buf,int num);
96static int acpt_read(BIO *h,char *buf,int size);
97static int acpt_puts(BIO *h,char *str);
98static long acpt_ctrl(BIO *h,int cmd,long arg1,char *arg2);
99static int acpt_new(BIO *h);
100static int acpt_free(BIO *data);
101static int acpt_state(BIO *b, BIO_ACCEPT *c);
102static void acpt_close_socket(BIO *data);
103BIO_ACCEPT *BIO_ACCEPT_new(void );
104void BIO_ACCEPT_free(BIO_ACCEPT *a);
105
106#define ACPT_S_BEFORE 1
107#define ACPT_S_GET_ACCEPT_SOCKET 2
108#define ACPT_S_OK 3
109
110static BIO_METHOD methods_acceptp=
111 {
112 BIO_TYPE_ACCEPT,
113 "socket accept",
114 acpt_write,
115 acpt_read,
116 acpt_puts,
117 NULL, /* connect_gets, */
118 acpt_ctrl,
119 acpt_new,
120 acpt_free,
121 };
122
123BIO_METHOD *BIO_s_accept(void)
124 {
125 return(&methods_acceptp);
126 }
127
128static int acpt_new(BIO *bi)
129 {
130 BIO_ACCEPT *ba;
131
132 bi->init=0;
133 bi->num=INVALID_SOCKET;
134 bi->flags=0;
135 if ((ba=BIO_ACCEPT_new()) == NULL)
136 return(0);
137 bi->ptr=(char *)ba;
138 ba->state=ACPT_S_BEFORE;
139 bi->shutdown=1;
140 return(1);
141 }
142
143BIO_ACCEPT *BIO_ACCEPT_new(void)
144 {
145 BIO_ACCEPT *ret;
146
147 if ((ret=(BIO_ACCEPT *)Malloc(sizeof(BIO_ACCEPT))) == NULL)
148 return(NULL);
149
150 memset(ret,0,sizeof(BIO_ACCEPT));
151 ret->accept_sock=INVALID_SOCKET;
152 ret->bind_mode=BIO_BIND_NORMAL;
153 return(ret);
154 }
155
156void BIO_ACCEPT_free(BIO_ACCEPT *a)
157 {
158 if(a == NULL)
159 return;
160
161 if (a->param_addr != NULL) Free(a->param_addr);
162 if (a->addr != NULL) Free(a->addr);
163 if (a->bio_chain != NULL) BIO_free(a->bio_chain);
164 Free(a);
165 }
166
167static void acpt_close_socket(BIO *bio)
168 {
169 BIO_ACCEPT *c;
170
171 c=(BIO_ACCEPT *)bio->ptr;
172 if (c->accept_sock != INVALID_SOCKET)
173 {
174 shutdown(c->accept_sock,2);
175 closesocket(c->accept_sock);
176 c->accept_sock=INVALID_SOCKET;
177 bio->num=INVALID_SOCKET;
178 }
179 }
180
181static int acpt_free(BIO *a)
182 {
183 BIO_ACCEPT *data;
184
185 if (a == NULL) return(0);
186 data=(BIO_ACCEPT *)a->ptr;
187
188 if (a->shutdown)
189 {
190 acpt_close_socket(a);
191 BIO_ACCEPT_free(data);
192 a->ptr=NULL;
193 a->flags=0;
194 a->init=0;
195 }
196 return(1);
197 }
198
199static int acpt_state(BIO *b, BIO_ACCEPT *c)
200 {
201 BIO *bio=NULL,*dbio;
202 int s= -1;
203 int i;
204
205again:
206 switch (c->state)
207 {
208 case ACPT_S_BEFORE:
209 if (c->param_addr == NULL)
210 {
211 BIOerr(BIO_F_ACPT_STATE,BIO_R_NO_ACCEPT_PORT_SPECIFIED);
212 return(-1);
213 }
214 s=BIO_get_accept_socket(c->param_addr,c->bind_mode);
215 if (s == INVALID_SOCKET)
216 return(-1);
217
218 if (c->accept_nbio)
219 {
220 if (!BIO_socket_nbio(s,1))
221 {
222 closesocket(s);
223 BIOerr(BIO_F_ACPT_STATE,BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET);
224 return(-1);
225 }
226 }
227 c->accept_sock=s;
228 b->num=s;
229 c->state=ACPT_S_GET_ACCEPT_SOCKET;
230 return(1);
231 /* break; */
232 case ACPT_S_GET_ACCEPT_SOCKET:
233 if (b->next_bio != NULL)
234 {
235 c->state=ACPT_S_OK;
236 goto again;
237 }
238 i=BIO_accept(c->accept_sock,&(c->addr));
239 if (i < 0) return(i);
240 bio=BIO_new_socket(i,BIO_CLOSE);
241 if (bio == NULL) goto err;
242
243 BIO_set_callback(bio,BIO_get_callback(b));
244 BIO_set_callback_arg(bio,BIO_get_callback_arg(b));
245
246 if (c->nbio)
247 {
248 if (!BIO_socket_nbio(i,1))
249 {
250 BIOerr(BIO_F_ACPT_STATE,BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET);
251 goto err;
252 }
253 }
254
255 /* If the accept BIO has an bio_chain, we dup it and
256 * put the new socket at the end. */
257 if (c->bio_chain != NULL)
258 {
259 if ((dbio=BIO_dup_chain(c->bio_chain)) == NULL)
260 goto err;
261 if (!BIO_push(dbio,bio)) goto err;
262 bio=dbio;
263 }
264 if (BIO_push(b,bio) == NULL) goto err;
265
266 c->state=ACPT_S_OK;
267 return(1);
268err:
269 if (bio != NULL)
270 BIO_free(bio);
271 else if (s >= 0)
272 closesocket(s);
273 return(0);
274 /* break; */
275 case ACPT_S_OK:
276 if (b->next_bio == NULL)
277 {
278 c->state=ACPT_S_GET_ACCEPT_SOCKET;
279 goto again;
280 }
281 return(1);
282 /* break; */
283 default:
284 return(0);
285 /* break; */
286 }
287
288 }
289
290static int acpt_read(BIO *b, char *out, int outl)
291 {
292 int ret=0;
293 BIO_ACCEPT *data;
294
295 BIO_clear_retry_flags(b);
296 data=(BIO_ACCEPT *)b->ptr;
297
298 while (b->next_bio == NULL)
299 {
300 ret=acpt_state(b,data);
301 if (ret <= 0) return(ret);
302 }
303
304 ret=BIO_read(b->next_bio,out,outl);
305 BIO_copy_next_retry(b);
306 return(ret);
307 }
308
309static int acpt_write(BIO *b, char *in, int inl)
310 {
311 int ret;
312 BIO_ACCEPT *data;
313
314 BIO_clear_retry_flags(b);
315 data=(BIO_ACCEPT *)b->ptr;
316
317 while (b->next_bio == NULL)
318 {
319 ret=acpt_state(b,data);
320 if (ret <= 0) return(ret);
321 }
322
323 ret=BIO_write(b->next_bio,in,inl);
324 BIO_copy_next_retry(b);
325 return(ret);
326 }
327
328static long acpt_ctrl(BIO *b, int cmd, long num, char *ptr)
329 {
330 BIO *dbio;
331 int *ip;
332 long ret=1;
333 BIO_ACCEPT *data;
334 char **pp;
335
336 data=(BIO_ACCEPT *)b->ptr;
337
338 switch (cmd)
339 {
340 case BIO_CTRL_RESET:
341 ret=0;
342 data->state=ACPT_S_BEFORE;
343 acpt_close_socket(b);
344 b->flags=0;
345 break;
346 case BIO_C_DO_STATE_MACHINE:
347 /* use this one to start the connection */
348 ret=(long)acpt_state(b,data);
349 break;
350 case BIO_C_SET_ACCEPT:
351 if (ptr != NULL)
352 {
353 if (num == 0)
354 {
355 b->init=1;
356 if (data->param_addr != NULL)
357 Free(data->param_addr);
358 data->param_addr=BUF_strdup(ptr);
359 }
360 else if (num == 1)
361 {
362 data->accept_nbio=(ptr != NULL);
363 }
364 else if (num == 2)
365 {
366 if (data->bio_chain != NULL)
367 BIO_free(data->bio_chain);
368 data->bio_chain=(BIO *)ptr;
369 }
370 }
371 break;
372 case BIO_C_SET_NBIO:
373 data->nbio=(int)num;
374 break;
375 case BIO_C_SET_FD:
376 b->init=1;
377 b->num= *((int *)ptr);
378 data->accept_sock=b->num;
379 data->state=ACPT_S_GET_ACCEPT_SOCKET;
380 b->shutdown=(int)num;
381 b->init=1;
382 break;
383 case BIO_C_GET_FD:
384 if (b->init)
385 {
386 ip=(int *)ptr;
387 if (ip != NULL)
388 *ip=data->accept_sock;
389 ret=data->accept_sock;
390 }
391 else
392 ret= -1;
393 break;
394 case BIO_C_GET_ACCEPT:
395 if (b->init)
396 {
397 if (ptr != NULL)
398 {
399 pp=(char **)ptr;
400 *pp=data->param_addr;
401 }
402 else
403 ret= -1;
404 }
405 else
406 ret= -1;
407 break;
408 case BIO_CTRL_GET_CLOSE:
409 ret=b->shutdown;
410 break;
411 case BIO_CTRL_SET_CLOSE:
412 b->shutdown=(int)num;
413 break;
414 case BIO_CTRL_PENDING:
415 case BIO_CTRL_WPENDING:
416 ret=0;
417 break;
418 case BIO_CTRL_FLUSH:
419 break;
420 case BIO_C_SET_BIND_MODE:
421 data->bind_mode=(int)num;
422 break;
423 case BIO_C_GET_BIND_MODE:
424 ret=(long)data->bind_mode;
425 break;
426 case BIO_CTRL_DUP:
427 dbio=(BIO *)ptr;
428/* if (data->param_port) EAY EAY
429 BIO_set_port(dbio,data->param_port);
430 if (data->param_hostname)
431 BIO_set_hostname(dbio,data->param_hostname);
432 BIO_set_nbio(dbio,data->nbio); */
433 break;
434
435 default:
436 ret=0;
437 break;
438 }
439 return(ret);
440 }
441
442static int acpt_puts(BIO *bp, char *str)
443 {
444 int n,ret;
445
446 n=strlen(str);
447 ret=acpt_write(bp,str,n);
448 return(ret);
449 }
450
451BIO *BIO_new_accept(char *str)
452 {
453 BIO *ret;
454
455 ret=BIO_new(BIO_s_accept());
456 if (ret == NULL) return(NULL);
457 if (BIO_set_accept_port(ret,str))
458 return(ret);
459 else
460 {
461 BIO_free(ret);
462 return(NULL);
463 }
464 }
465
466#endif
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